the height h, in meters, of an object at time t is given by . what is the height of the object at the instant when it reaches its maximum positive velocity?

a. The ball bounces back up to its original height after each collision. b. The period of the motion depends only on the mass of the ball and the strength of gravity. c. the motion is not sinusoidal .

Define the terms "collision" and "resistance." A collision occurs when two objects come into contact with each other and exchange momentum and/or energy. Resistance, in the context of physics, refers to any force that opposes motion or energy transfer.
Now, let's apply these concepts to the question at hand. A ball dropped from a height of m undergoes an elastic collision with the ground, which means that there is no loss of mechanical energy due to the collision. This implies that the ball will rebound back up to its original height.
(a) To show that the ensuing motion is periodic, we need to demonstrate that the ball's motion repeats itself over time. Since the ball bounces back up to its original height after each collision, we can see that the motion is indeed periodic.
(b) The period of the motion is the time it takes for one complete cycle. In this case, one complete cycle consists of the ball falling from its original height, colliding with the ground, and rebounding back up to its original height. The time it takes for the ball to complete this cycle can be calculated using the formula:
T = 2 × √(m/g)
where T is the period of the motion, m is the mass of the ball, and g is the acceleration due to gravity. This formula tells us that the period of the motion depends only on the mass of the ball and the strength of gravity, and is independent of the height from which the ball is dropped.
(c) The motion of the ball is not simple harmonic because it does not follow the equation of motion for a simple harmonic oscillator, which is:
x = A × cos(ωt + Ф)
where x is the displacement of the oscillator, A is the amplitude of the motion, ω is the angular frequency, t is time, and Ф is the phase angle. In the case of the ball bouncing off the ground, the motion is not sinusoidal and does not follow this equation.

Learn more about collision here

https://brainly.com/question/4322828

#SPJ11

The momentums of the canon and canon ball are equal. The speed of the canon ball is greater than the canon's speed. The momentum of the canon ball is greater than the canon's momentum.

Based on the scenario provided, the following statements are true:

1. The momentums of the canon and canon ball are equal. (According to the law of conservation of momentum, the total momentum before firing is equal to the total momentum after firing. Since the canon and canon ball move in opposite directions, their momentums are equal but opposite in direction.)

2. The speed of the canon ball is greater than the canon's speed. (Typically, the mass of the canon ball is much smaller than the mass of the canon. As their momentums are equal, the canon ball will have a higher speed compared to the canon.)

To learn more about law of conservation of momentum click here

brainly.com/question/17140635

#SPJ11

Assuming that the man is standing still on a flat, horizontal surface and neglecting air resistance, the normal force produced by the ground upwards on the leg would be equal in magnitude to the weight of the man, which is given as approximately 84 kg.

Therefore, the normal force being produced by the ground upwards on the leg would be approximately 84 kg multiplied by the acceleration due to gravity (9.81 m/s^2), which gives a value of approximately 823.44 N (Newtons).

So the normal force being produced by the ground upwards on the leg is approximately 823.44 N.

The correct answer is d. 30 ft3. Office spaces should provide at least 30 ft3 per minute per occupant of clean outside air at minimum where smoking is not prohibited.

Office space should provide at least 20 ft3 per minute per occupant of clean outside air at minimum where smoking is not prohibited. The correct answer is c. 20 ft3.

Smoking bans or smoke-free laws are public policies that prohibit smoking in certain areas, including laws and safety practices, work, and health. However, the law will also prohibit smoking in open areas such as parks, beaches, pedestrian squares, universities, and hospitals, away from the patient, home entrances, and sometimes in private vehicles and many apartments.

Learn more about Space:

brainly.com/question/17738538

#SPJ11

The impulse acting on an object is equal to the change in momentum it experiences. When we talk about net force, we're really talking about the rate at which momentum is changing. A constant net force means that momentum is changing at a constant rate, while a variable net force means that momentum is changing at a changing rate.

Now, if both graphs represent the same impulse acting on the baseball, it means that they both represent the same change in momentum. This tells us that the area under both graphs must be the same. This is because the area under a force-time graph represents the impulse experienced by an object.

So, in terms of geometric properties, the two graphs must have the same area under them if they represent the same impulse acting on the baseball. This holds true whether the net force is constant or variable.

To know more about net force, refer

https://brainly.com/question/14361879

#SPJ11

To find the arrival time of an international flight, we add the duration of the trip to the departure time. In this case, the flight arrives at 3:16:22 AM.

The problem presents a scenario in which we are given the departure time of an international flight and its duration, and we are asked to determine the arrival time.

To solve this, we simply add the duration of the trip to the departure time. In this case, we added 10 hours, 40 minutes, and 35 seconds to the departure time of 4:35:47 PM.

4:35:47 PM + 10 hours, 40 minutes, 35 seconds = 3:16:22 AM

Therefore, the flight arrives at its destination at 3:16:22 AM. The resulting time, 3:16:22 AM, is the arrival time at the destination.

It is important to note that we used the 24-hour clock to represent the times in this problem, which is commonly used in international travel.

To know more about arrival time:

https://brainly.com/question/31344667

#SPJ4

Uncompetitive inhibition reduces the maximum rate of the reaction and apparent affinity by binding to the enzyme-substrate complex. In contrast, mixed inhibition alters both the maximum rate and apparent affinity by binding to both the enzyme and the enzyme-substrate complex.

In uncompetitive inhibition, the inhibitor can only bind to the enzyme-substrate complex, not the free enzyme or the free substrate. This type of inhibition results in a decrease in both the maximum rate of the reaction and the apparent affinity of the enzyme for the substrate, as the inhibitor binds to the complex and prevents the release of the product.

In mixed inhibition, the inhibitor can bind to both the free enzyme and the enzyme-substrate complex, leading to a decrease in the maximum rate of the reaction and a change in the apparent affinity of the enzyme for the substrate. The inhibitor can either enhance or reduce the affinity of the enzyme for the substrate.

To know more about inhibition, here

brainly.com/question/29744524

#SPJ4

Newton's second law states that force is proportional to what is required for an object of constant mass to change its velocity. This is equal to that object's mass multiplied by its acceleration. We use Newtons, kilograms, and meters per second squared as our default units, although any appropriate units for mass

To calculate the force required to accelerate the car forward at 4.88 m s2, we need to use the formula F = m x a, where F is force, m is mass, and a is acceleration. F = 741 kg x 4.88 m/s2F = 3,613.08 N Therefore, a force of 3,613.08 Newtons is required to accelerate the car forward at 4.88 m s2. We use Newtons, kilograms, and meters per second squared as our default units, although any appropriate units for mass or velocity (miles per hour per second, millimeters per second2, etc. could certainly be used as well - the calculation is the same regardless.

learn more about accelerate here

https://brainly.com/question/28811174

#SPJ11

The highest flow rate that this filter can process is 2,160 gpm.

The maximum filtration rate allowed for a filter depends on the filter's size and the permissible flow rate per unit area of the filter. In this case, the filter has an area of 18 feet x 20 feet = 360 square feet.

The surface area of the filter is:

18 feet x 20 feet = 360 square feet

To determine the maximum flow rate, we need to multiply the surface area by the maximum filtration rate allowed:

360 square feet x 6.0 gpm/ft2 = 2,160 gallons per minute (gpm)

Therefore, the highest flow rate that this filter can process is 2,160 gpm.

Learn more about filtration

https://brainly.com/question/31504556

#SPJ4

The magnitude of the average contact force exerted on the leg assuming the total mass of the hand and the forearm to be 1.75 kg1.75 kg  is 554 N.

To solve this problem, we can use the equation F = Δp/Δt, where F is the average contact force, Δp is the change in momentum, and Δt is the time interval.

The change in momentum is given by Δp = mΔv, where m is the mass of the hand and forearm and Δv is the change in velocity. We can find Δv by using the formula Δv = v_f - v_i, where v_f is the final velocity (0 m/s, since the hand comes to rest) and v_i is the initial velocity (4.25 m/s). Substituting these values, we get Δv = -4.25 m/s. The mass of the hand and forearm is given as 1.75 kg.

Therefore, Δp = mΔv = (1.75 kg)(-4.25 m/s) = -7.44 kg⋅m/s.

Now we can substitute this value along with the time interval of 2.65 ms (which is 0.00265 s) into the equation F = Δp/Δt to get the average contact force:

F = Δp/Δt = (-7.44 kg⋅m/s)/(0.00265 s) = -2804.72 N

The negative sign indicates that the force is in the opposite direction of the motion, which is expected since the hand is slowing down. To get the magnitude of the force, we can take the absolute value:

|F| = 2804.72 N ≈ 554 N

So the magnitude of the average contact force exerted on the leg is approximately 554 N.

learn more about magnitude here:

https://brainly.com/question/14452091

#SPJ11

The properties of a thermal radiator include the fact that the power radiated is proportional to the temperature raised to the fourth power. This means that as the temperature of the thermal radiator increases, the amount of power radiated increases exponentially.

The hotter objects emit more light for a given area, which means that the brightness of the thermal radiator will increase as it gets hotter. However, as the temperature increases, the color of the radiation will also change. Specifically, hotter objects will look redder, while cooler objects will look bluer. Finally, it is important to note that the power radiated by a thermal radiator is directly proportional to its temperature, not inversely proportional. Here is an answer incorporating the requested terms The power radiated by a thermal radiator is proportional to the temperature raised to the fourth power, according to the Stefan-Boltzmann Law. This means that hotter objects emit more light for a given area. hotter objects look bluer, as the peak wavelength of their emitted radiation shifts towards the shorter blue end of the spectrum, while cooler objects look redder as their peak wavelength shifts towards the longer red end of the spectrum.

learn more about radiator here.

https://brainly.com/question/13451162

#SPJ11

Answer:

12kg is greater because 12kg is 12000g

Answer:

12kg is the answer cause if it wasn't 12 kg then 1,400 g would not be the answer so you would pick 12kg as the answer.

In an electrical circuit, current flows through conductors. When current flows through a conductor, the conductor heats up due to the resistance of the material.

This heat can cause the conductor to degrade over time and eventually fail, which can be dangerous or cause equipment damage. Therefore, the National Electrical Code (NEC) provides guidelines on how to calculate the proper size of conductors based on the amount of current they will carry and the ambient temperature they will be exposed to.

According to NEC 310-15(B)(5), the neutral conductor in a balanced 3-wire delta or 4-wire wye circuit is considered a current-carrying conductor for the purpose of applying derating factors, which means that the neutral conductor must be sized accordingly to ensure safe and reliable operation of the electrical system.

Learn more about electrical circuit

https://brainly.com/question/29032441

#SPJ4

Full Question: Current Carrying Conductors(310-15(B)(5) : The neutral conductor of a balanced 3-wire delta circuit, or 4 wire wye circuit is considered a current-carrying conductor for the purpose of applying the derating factors in Table 310-15(b)(2a).

image attached

A THHN conductor with a size of #6 AWG is required for a 50-ampere circuit at 60 degrees Celsius.

According to 110-14(c)(1), a conductor must be sized based on the ampacity (current-carrying capacity) it can handle.

For a 50 ampere circuit, a THHN conductor with an ampacity of at least 50 amperes is required. However, the ampacity of a conductor can also depend on its temperature rating. Since this question specifies a temperature rating of 60 degrees Celsius, we need to consult the ampacity tables for THHN conductors rated for 60 degrees Celsius. According to the table, a THHN conductor with a size of #6 AWG is required for a 50-ampere circuit at 60 degrees Celsius.

To learn more about conductor, refer:-

https://brainly.com/question/8426444

#SPJ11

Equipment rated at 100 amperes or less shall have the conductor sized no smaller than 60 degrees C unless the terminals are marked otherwise.

This means that the equipment should have a conductor (a material that carries electrical current) with a temperature rating of at least 60 degrees Celsius to ensure safe and efficient operation. An ampere is a unit of electric current, and in this case, the rating of the equipment indicates that it is designed to handle a maximum current of 100 amperes.

This means that, for equipment rated at 100 amperes or less, the minimum conductor size is based on the ampacity of a conductor with a 60°C temperature rating, which is typically smaller than a conductor rated for a higher temperature, such as 75°C or 90°C. However, if the equipment's terminals are marked to indicate that they are rated for a higher temperature, the conductor size can be based on the ampacity of a conductor with the appropriate temperature rating, as specified by the equipment manufacturer.

To learn more about conductor, refer:-

]https://brainly.com/question/8426444

#SPJ11

When an outlet from an Underfloor raceway is discontinued, the circuit conductors supplying the outlet must be disconnected, isolated, and insulated from any possible contact with other conductors. This ensures safety and prevents potential short circuits or other electrical hazards. The underfloor raceway is a system used in commercial buildings to distribute electrical power and data cabling underneath the raised floor. It typically consists of metal or plastic conduit channels installed below the floor surface, providing a concealed pathway for routing electrical conductors.

The circuit conductors supplying power to that outlet are disconnected and terminated properly. This may involve removing the outlet box, disconnecting the conductors from the circuit breaker or fuse panel, and properly capping or terminating the conductors to ensure they are safely and securely isolated from the electrical system. Following local electrical codes and best practices is essential to ensure the safe and efficient operation of the electrical system.

learn more about Underfloor Raceway here:

https://brainly.com/question/29934734

#SPJ11

The most commonly used meter on small domestic services is the d.nutating disc meter.

This type of meter is typically used in residential and small commercial applications to measure the flow of water, gas, or other liquids. The nutating disc meter works by using a disc that rotates within the flow of the liquid being measured. As the disc rotates, it creates a measurable flow that can be used to determine the amount of liquid passing through the meter. One of the reasons why the nutating disc meter is so commonly used is because of its accuracy. These meters are typically very precise and can measure small amounts of liquid with great accuracy. This is especially important in residential applications where water usage is often measured in small increments.

Another advantage of the nutating disc meter is its durability. These meters are typically made from high-quality materials that are designed to withstand years of use without breaking down or wearing out. This is important in residential applications where meters may be exposed to a wide range of environmental factors, such as temperature fluctuations, exposure to sunlight, and other elements. Therefore, the correct answer is option d.

know more about nutating disc meter here:

https://brainly.com/question/31568597

#SPJ11

a dropped softball will fall a vertical distance of approximately 4.9 meters (16.1 feet) during the first second of free fall, neglecting air resistance.

When an object is dropped from rest near the surface of the Earth, it is subject to the force of gravity, which causes it to accelerate downwards. The acceleration due to gravity is approximately 9.8 meters per second squared, which means that the velocity of the object increases by 9.8 meters per second (or 32.2 feet per second) for each second it falls.

During the first second of free fall, the object starts from rest and accelerates at a constant rate of 9.8 meters per second squared. Using the equations of motion, we can calculate the distance it falls during this time:

d = 1/2 * a * t^2

where d is the distance, a is the acceleration, and t is the time. Plugging in the values for the first second of free fall, we get:

d = 1/2 * 9.8 m/s^2 * (1 s)^2
d = 4.9 meters

Therefore, a dropped softball will fall a vertical distance of approximately 4.9 meters (16.1 feet) during the first second of free fall, neglecting air resistance.

Visit to know more about Air resistance:-

brainly.com/question/9143942

#SPJ11

This energy is converted into kinetic energy of the glider. Thus, the speed of the glider is given by the equation v = (2W/m)1/2 = x(k/m)1/2.

Kinetic energy (KE) is the energy of motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity. Kinetic energy is directly proportional to the mass of the object and to the square of its velocity.

(a) The glider is initially at rest. As it is pushed against the launcher, the spring is compressed by a distance x. The work done by the spring on the glider is W = ½kx2. This energy is converted into kinetic energy of the glider. Thus, the speed of the glider is given by the equation
v = (2W/m)1/2 = x(k/m)1/2

(b) Momentum is conserved during the collision, so the impulse imparted to the glider is the same as the change in momentum of the glider. Since the glider is initially at rest, the change in momentum is equal to the final momentum. This is equal to the mass of the glider multiplied by its final speed, so the impulse is given by

I = mv = x(km)1/2

(c) The work done on the glider is equal to the energy imparted to the glider, which is W = ½kx2. This is independent of the mass of the glider, so more work is done on a glider with a large or a small mass.

To learn more about kinetic energy
https://brainly.com/question/8101588
#SPJ4

An anion is defined as:A) a charged atom or group of atoms with a net negative charge.

An anion is formed when an atom gains one or more electrons, resulting in a negative charge due to the increased number of negatively charged electrons compared to positively charged protons in the atom.An anion is an ion with a negative charge. It is formed when an atom or group of atoms gains one or more extra electrons, giving it a net negative charge. Examples of common anions include chloride (Cl-), sulfate (SO42-), and carbonate (CO32-). Therefore, the term "anion" specifically refers to a negatively charged ion or species.

learn more about anion Refer: https://brainly.com/question/20781422

#SPJ11

B) angular velocity. When the speed of the satellite follows a circular path around a planet, its velocity remains constant but its direction changes constantly. This means that the satellite has a non-zero angular velocity, which is the rate at which the satellite rotates around the planet.

The linear velocity, or the speed of the satellite, is also constant but its direction changes constantly as well. The centripetal acceleration is the force that keeps the satellite moving in a circular path, and it is directed towards the center of the circle. This acceleration changes the direction of the satellite's velocity but not its speed. The angular acceleration is the rate at which the angular velocity of the satellite changes, and it is zero in this case because the satellite has a constant angular velocity. The total acceleration of the satellite is the vector sum of its centripetal acceleration and any other forces acting on it, but it is not constant and may change in magnitude and direction over time. Therefore, the only quantity that is constant and non-zero for a satellite following a circular path around a planet is its angular velocity.

learn more about speed here

https://brainly.com/question/8518482

#SPJ11

Explanation:

Fn= normal force ( this determines the Ff  friction)

Fn = mg cosΘ = 3.7 * 9.81 cos (21 ) = 33.88 N

Ff = 33.88 N * .17 = 5.76  N

Fdp = force downplane = mg sinΦ = 3.7 * 9.81 sin 21  = 13.01 N

Total forces acting down the plane = 13.01 + 5.76 = 18.77 N

T = The force acting up the plane to move and accelerate the block

Then :

 F= ma

(T - 18.77 N) = 3.7 kg  ( .3 m/s^2 )

T = 19.88 N

True. When brazing a four-way valve, heat absorbing paste should be placed around the body of the valve to minimize the chance of internal damage to the valve.

This paste helps to distribute the heat evenly and prevent any overheating that could cause damage to the valve's internal components.

Oxyfuel cutting (OFC) is a technique for slicing ferrous metals that makes use of the flame and oxygen from a cutting torch. Dross, which is expelled from the cut by the jet of cutting system, is produced when oxides from the cutting process combine with molten iron.

The oxy fuel welding, brazing, and cutting method is used to create the following four items:

automobile components (such as exhaust systems and suspension parts)

Steel structural elements for use in buildings and bridges

Plumbing piping and tubing for commercial and residential systems

Components of machinery and equipment used in a variety of industries, including manufacturing, construction, and oil and gas.

Oxygen-fuel combustion employs either pure oxygen or an oxygen and recirculated flue-gas combination in place of air to burn a fuel. Since the nitrogen component of air is not heated, higher flame temperatures are possible and fuel consumption is reduced.

Learn more about Oxygen-fuel here

https://brainly.com/question/30373161

#SPJ11

The tangential speed of Nairobi, Kenya, near the equator is approximately 465 m/s .

To calculate the tangential speed of Nairobi, Kenya, which is a city near the equator, we will use the following formula:
Tangential speed (v) = 2 × π × radius (r) / time period (T)
Here, the equatorial radius of the Earth (r) is 6,380 km (which we need to convert to meters), and the Earth completes one revolution in 23.93 hours (which we need to convert to seconds).
1. Convert the radius to meters:
r = 6,380 km * 1,000 m/km = 6,380,000 m
2. Convert the time period to seconds:
T = 23.93 hours * 60 min/hour * 60 s/min = 86,078.8 s
3. Calculate the tangential speed:
v = (2 × π × 6,380,000 m) / 86,078.8 s ≈ 465 m/s
So, the tangential speed of Nairobi, Kenya, near the equator is approximately 465 m/s. The correct answer is E) 465 m/s.

learn more about tangential speed Refer: https://brainly.com/question/17689540

#SPJ11

An airplane engine starts from rest; and 2 seconds later, it is rotating with an angular speed of 420 rev/min. If the angular acceleration is constant,  the propeller undergoes 44 revolutions during this time, which is closest to option D) 49.

We can solve this problem using the kinematic equation:

ω = ω0 + αt

where ω0 is the initial angular speed, ω is the final angular speed, α is the angular acceleration, and t is the time interval.

First, we need to convert the final angular speed from rev/min to rad/s:

ω = 420 rev/min × 2π rad/rev × 1 min/60 s = 44 rad/s

Next, we can plug the given values into the kinematic equation:

44 rad/s = 0 + α × 2 s

Solving for the angular acceleration α, we get:

α = 22 [tex]rad/s^2[/tex]

Finally, we can use another kinematic equation to find the total number of revolutions:=

θ = θ0 + ω0t + [tex]1/2at^2[/tex]

where θ0 is the initial angle (which is zero in this case), and θ is the final angle (which is what we want to find).

Plugging in the values we have:

θ = 0 + 0 + 1/2 × 22 [tex]rad/s^2[/tex] × [tex](2 s)^2[/tex] = 44 revolutions

Therefore, the propeller undergoes 44 revolutions during this time, which is closest to option D) 49 (the actual number of revolutions is between 42 and 49, so 49 is the closest answer choice).

To learn more about angular speed, refer:-

https://brainly.com/question/14663644

#SPJ11

The tube with an in and out pressure of 325 and 275 mmHg will have the highest flow.

This is so because the pressure differential between the tube's two ends directly proportionally affects flow rate. The flow rate increases with increasing pressure differential. With a pressure difference of 50mmHg in this instance, option b will have the maximum flow rate. Options a, c, and d will have lower flow rates since they have smaller pressure variations, measuring 35mmHg, 55mmHg, and 60mmHg, respectively. The tube with an in and out pressure of 325 and 275 mmHg will have the highest flow. This is so because the pressure differential between the tube's two ends directly proportionally affects flow rate. Option B will have the highest flow rate because it has the largest pressure difference, which is 50mmHg.

learn more about flow here:

https://brainly.com/question/29768594

#SPJ11

The supply of cationic polymer will last approximately 39 days.

To determine how many days the supply will last, we need to calculate how many pounds of cationic polymer are used per day.

First, we convert the flow rate from million gallons per day (MGD) to gallons per day (GPD):

8.0 MGD = 8.0 million gallons/day = 8,000,000 gallons/day

Then, we convert the rate of cationic polymer application from pounds per hour to pounds per day:

0.80 pounds/hour x 24 hours/day = 19.2 pounds/day

Finally, we can calculate how many days the 750-pound supply will last:

750 pounds ÷ 19.2 pounds/day ≈ 39.06 days

Therefore, the supply of cationic polymer will last approximately 39 days.

Learn more about cationic polymer

https://brainly.com/question/28270341

#SPJ4

The correct option is B, The resistance of the resistor is 184 Ω.

Z = √(R² + (Xl - Xc)²)

where R is the resistance, Xl is the inductive reactance, and Xc is the capacitive reactance.

Xl = Xc

2πf0L = 1/(2πf0C)

f0 = 1/(2π√(LC))

f0 = 1/(2π√(25.0 mH * 2.00 μF))

f0 = 1000 Hz

we can use the resonance frequency to calculate the reactances Xl and Xc at this frequency:

Xl = 2πfL = 2π(1000 Hz)(25.0 mH) = 157.1 Ω

Xc = 1/(2πfC) = 1/(2π(1000 Hz)(2.00 μF)) = 79.58 Ω

Now we can use the impedance formula to solve for the resistance R:

Z = √(R² + (Xl - Xc)²) = 200 Ω

R² + (Xl - Xc)² = 200²

R² + (157.1 Ω - 79.58 Ω)² = 40000

R² + 6104.6 Ω² = 40000

R² = 33895.4 Ω²

R = 184 Ω

A resistor is an electrical component designed to impede the flow of electric current. It is a passive two-terminal device that resists or limits the amount of current that flows through it. Resistors are commonly used in electronic circuits to control current, voltage, and power levels.

A resistor's resistance is measured in ohms (Ω), which is the ratio of the voltage applied across it to the current flowing through it. Resistors are made of various materials, including carbon, metal, and ceramic. The resistance value of a resistor can be fixed or variable, depending on its intended use. Resistors are crucial components in many electronic devices, such as radios, televisions, computers, and mobile phones.

To learn more about Resistor visit here:

brainly.com/question/24297401

#SPJ4

Loose objects on the dashboard slide to the right when the car turns suddenly to the left because they have inertia

When loose objects are placed on the dashboard of a car, they may slide to the right when the car turns suddenly to the left. objects at rest tend to stay at rest and objects in motion tend to stay in motion. As the car turns left, there is a force pushing the loose objects to the right, and gravity alone is not strong enough to hold them in place. Therefore, the objects slide to the right due to their inertia. To prevent this, it's best to secure loose objects on the dashboard or remove them altogether to ensure safety while driving.

learn more about inertia Refer: https://brainly.com/question/30763701

#SPJ11

The correct answer is B. Their velocities will be reduced. When two objects of equal mass traveling toward each other withequal speeds undergo a head on collision their velocities will reduced.

When two objects of equal mass collide head-on, the total momentum of the system is conserved. However, the kinetic energy of the system may not be conserved, as some of it may be converted into other forms of energy such as heat or sound.

During the collision, the two objects exert equal and opposite forces on each other, causing their velocities to change. Because the objects have equal masses and speeds, their velocities will be equal in magnitude and opposite in direction after the collision.

Therefore, the net momentum of the system will still be zero, but the kinetic energy of the system will be lower than before the collision.

In a perfectly elastic collision, where no energy is lost to other forms, the velocities of the objects would be exchanged, meaning that they would essentially switch directions.

However, in a real-world scenario, some energy is typically lost to other forms, resulting in a decrease in the velocities of the objects. Therefore, statement B is necessarily true. Statements A, C, D, and E are not necessarily true in all scenarios.

For more question on velocities click on

https://brainly.com/question/29110645

#SPJ11