HELP MEEEE, question number 5

Answer:

B

Explanation:

a=v/t

a=(40m/s)÷(80s)

a=0.5m/s

Answer:

The part of the earth and its atmosphere in which living organisms exist or that is capable of supporting life.

Explanation:

It’s in the definition of biosphere. “Bio” means “life,” so “biosphere” is that portion of the Earth capable of supporting life.

Answer:

When waves overlap in-phase (crest meets crest or trough meets trough) the waves energy is additive and the amplitude increases.

Explanation:

When waves overlap out-of-phase (crest meets trough) the waves cancel and the amplitude (energy) decreases. When two interfering waves cancel each other out.

Answer:

Electrical Energy

The Electricity Rotates the spinning part of Washing machine and It spinns clothes.

Answer: A Nebula is left behind. A spectacular explosion in which a star ejects most of its mass in a violently expanding cloud of debris.

Hope this helps!

Answer:

Johannes Kepler

Answer:

M = 328.70g

Explanation:

From the given values:

V = 346 cm³

M of 1 cm³ of Polythene = 0.95g or 95/100g

Solve:

M = (95×346)

10

= 32870

100

M = 328.70g

Answer:

Co2

Explanation:

Answer:

answer down below

Explanation:

it has similar mass but the white dwarf is much denser

The measured specific heat will be less than the actual specific heat if a lower value is gotten than the actual mass.

This is defined as the quantity of heat needed to raise a substance's temperature by 1 degree Celsius.

If a substance has a low specific heat capacity , it loses water easily which makes the mass when measured to be smaller than the actual value.

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Explanation:

1.Plastic

Thermal Degradation – Plastic materials subjected to prolonged exposure to high temperatures will lose strength and toughness, becoming more prone to cracking, chipping, and breaking, at a rate in proportion to the temperature and time of exposure.

2.Iron

At room temperature, the iron atoms are in an unusual loosely packed open arrangement; as iron is heated past 912 degrees Celsius, the atoms become more closely packed before loosening again at 1,394 degrees Celsius and ultimately melting at 1,538 degrees Celsius

The expression, in terms of defined quantities and g is therefore Fu =((mg/2) +2 mp) g

This can be defined as a balance or any of various other instruments or devices for weighing.

The expression in terms of defined quantities and g, for the force that the scale under left pillar shows that Fu =((mg/2) +2 mp) g .

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The expression, in terms of defined quantities and g, for the force that the scale under left pillar is (m(b)/2+2m(d))g.

Equilibrium is the location of the system, in which the system be static does not change its position with respect to time.

The image of the uniform beam which has two pillar is attached below. In this pillar,

The expression, in terms of defined quantities and g, for the force that the scale under left pillar has to be find out.

In the equilibrium position torque in left pillar is zero,

[tex]\tau_{right} =0[/tex]

It can be written as,

[tex]F_L\dfrac{L}{3}=m_bg\dfrac{L}{6}+m_dg\dfrac{2L}{3}[/tex]

[tex]F_L=\left(\dfrac{m_b}{2}+2m_d\right)g[/tex]

Thus, the expression, in terms of defined quantities and g, for the force that the scale under left pillar is (m(b)/2+2m(d))g.

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Scientific evidence such as reflection and photoelectric effect has proven the wave-particle model of electromagnetic radiation to be true.

Electromagnetic radiation is radiation produced as a result of the interactions of the electric and magnetic fields.

Some forms of electromagnetic radiation include:

Electromagnetic radiation can be described using a wave model or a particle model.

The wave property of electromagnetic radiation include:

The particle property of electromagnetic radiation include:

Therefore, the wave-particle model of electromagnetic radiation is correct because it can be backed up by experiments and evidence.

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Answer:

I just took the identifying Claims Quick check

Explanation:

1. Claim: Electromagnetic radiation can be described by a wave model or a particle model, depending on the situation.

Is this a scientific claim?

Yes, it can be backed up by experiments and evidence.

2. A student states, "The wave model is better than the particle model for electromagnetic radiation because it is easier to understand." Is the student's statement a scientific claim?

No, it isn't because the statement is an opinion.

3. A student wants to make a scientific explanation regarding the wave model of electromagnetic radiation. Which of the following would be part of the scientific explanation?

Claims

4. A student makes this statement before conducting an experiment on electromagnetic radiation: "We expect the laser to diffract when passed through a slit." Which of the following explains why the student's statement is not a claim?

It is a prediction or hypothesis.

5. Which claim do scientists use to describe electromagnetic radiation?

Electromagnetic radiation exhibits properties of both particles and waves.

6. A physician is going to use high-frequency electromagnetic radiation to treat cancer in a patient. Which is a claim about this event?

A wave model is most useful for describing the frequency of the radiation.

If the current in circuit A is greater than the current in circuit B, then the resistance in circuit A is less than the resistance in circuit B.

Ohms law states that the volatge in a circuit is directly proportional to the current flowing in the circuit.

V = IR

Where;

The given voltage in the circuits

At equal resistance, the current flowing in circuit B will be greater than circuit A since circuit B has more voltage.

However, If the current in circuit A is greater than the current in circuit B, then the resistance in circuit A is less than the resistance in circuit B.

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C
- CONNECTIONS
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much love! <33

Answer:

B. The larger force causes more acceleration than the smaller.

Explanation:

For example, let me use a child and a grown up. The child represents the smaller force while the grown up represents the larger force. If they are pushing the same object of different sides, obviously the side with the grown up will push and move to the side of the child because it is stronger.

Answer:

the acceleration of the car is 3 m/s².

Explanation:

Explanation:

H

Hydrogen

-259.14 -252.87 0.00008988 (gas, 273K)

2

He

Helium

-272.20 (under pressure) -268.934 0.0001785 (gas, 273K)

3

Li

Lithium

180.54 1347 0.534

4

Be

Beryllium

1278 2970 1.8477

5

B

Boron

2300 3658 2.34

6

C

Carbon

3527 4827

(sublimes) 2.260 (graphite)

3.513 (diamond)

7

N

Nitrogen

-209.86 -195.8 0.0012506 (gas, 273K)

8

O

Oxygen

-218.4 -182.96 0.001429 (gas, 273K)

9

F

Fluorine

-219.62 -188.14 0.001696 (gas, 273K)

10

Ne

Neon

-248.67 -246.05 0.00089994 (gas, 273K)

11

Na

Sodium

97.81 882.9 0.971

12

Mg

Magnesium

648.8 1090 1.738

13

Al

Aluminum

660.37 2467 2.698

14

Si

Silicon

1410 2355 2.329

15

P

Phosphorus

44.1 (white)

410 (red, under pressure) 280 (white) 1.82 (white)

16

S

Sulfur

113 (α)

119 (b)

106.8 (g) 444.67 2.070 (α)

1.957 (b)

17

Cl

Chlorine

-100.98 -33.97 0.003214 (gas, 273K)

18

Ar

Argon

-189.37 -185.86 0.001784 (gas, 273K)

19

K

Potassium

63.65 774 0.862

20

Ca

Calcium

839 1484 1.55

21

Sc

Scandium

1541 2831 2.989

22

Ti

Titanium

1660 3287 4.54

23

V

Vanadium

1887 3377 6.11 (292 K)

24

Cr

Chromium

1857 2672 7.19

25

Mn

Manganese

1244 1962 7.44

26

Fe

Iron

1535 2750 7.874

27

Co

Cobalt

1495 2870 8.90

28

Ni

Nickel

1453 2732 8.902 (298 K)

29

Cu

Copper

1083.4 2567 8.96

30

Zn

Zinc

419.58 907 7.133

31

Ga

Gallium

Answer:

D

Explanation:

f = ma

2 x 12 = 24

answer could differ since it's rolling down a ramp. if an angle is given our approach differs.

The lowest rock layer is a layer that must be rich in organic matter that was subjected to heat and pressure over time during the formation of oil and gas.

The lowest rock layer refers to the lowermost part of the Earth's mantle, which is a thin rock layer (approximately 250 km).

In the Earth, the layers of rocks are progressively deposited, thereby pressing them to the bottom to generate sedimentary rocks.

The lowest rock layers on the bottom must be rich in organic matter to form fossil fuels.

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KE₁ = 1/2mv²

10 J = 1/2mv²

KE₂ = 1/2m(3v)²

KE₂ = 1/2mv².9

KE₂ = 10 . 9 = 90 J

Answer:

As Per Provided Information

Velocity of wave v is 10m/s

These ocean wave passes a stationary point every 5 s ( It's time period)

First we calculate the frequency of ocean wave .

Using Formulae

[tex] \blue{\boxed{\bf \: \nu = \cfrac{1}{v}}}[/tex]

here

v is the velocity of wave .

[tex]\sf\longrightarrow \nu \: = \cfrac{1}{10} \\ \\ \\ \sf\longrightarrow \nu \: = 0.1Hz[/tex]

Now calculating the wavelength of the wave .

Using Formulae

[tex] \boxed{ \bf \lambda = \cfrac{v}{ \nu}}[/tex]

Substituting the value and we obtain

[tex] \sf \longrightarrow \lambda \: = \cfrac{10}{0.1} \\ \\ \\ \sf \longrightarrow \lambda \: = \cancel\cfrac{10}{0.1} \\ \\ \\ \sf \longrightarrow \lambda \: =100m[/tex]

Therefore,

Answer:

0.2s

Explanation:

wave formula

v=(lambda)f

20=(4)f

20÷4

=5Hz

1÷5

T=0.2s

The period of a wave travelling with a speed of 20 m/s and the wavelength is 4.0 m is 0.2 sec.

What is time period?

The length of time it takes a wave to complete one cycle is known as the wave's period. The frequency of the wave must be known in order to compute the wave period. The number of cycles a wave may complete in a period of time—typically one second—is its frequency.

wave formula

v = (lambda)f

20 = (4)f

20÷4

f = 5 Hz

T = 1/f

T = 1÷5

T = 0.2 sec

The period of a wave travelling with a speed of 20 m/s and the wavelength is 4.0 m is 0.2 sec.

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The movement of the plates creates three types of tectonic boundaries: convergent, where plates move into one another; divergent, where plates move apart; and transform, where plates move sideways in relation to each other. They move at a rate of one to two inches (three to five centimeters) per year.

Answer:

it becomes a liquid. it becomes water

Answer ,,a main sequence stars burns through the hydrogen in it's core

Explanation:

When the stars go out

Eventually,reaching the end of its life cycle. At this point, it leaves the main sequence. Stars smaller than a quarter the mass of the sun collapse directly into white dwarfs

For a Rectangular plate has a voltage of +180V and a 'voltage of -5V. , the second plate has the Electric field mathematically given as

E=21.5*10^3v/m

Generally, the equation for the Electric field   is mathematically given as

E=v/d

Where

v={180-(-5)}v

v=185v

Therefore

E=185/8.6*10^{-3}

E=21.5*10^3v/m

In conclusion, Electric field

E=21.5*10^3v/m

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