Answer:
The sun's core is 12.3 times denser than Earth's core.
Explanation:
1. What part (or parts) of the system store potential energy?
2. What part( or parts) of this system have kinetic energy
3. If an object has kinetic energy what must it be done
Answer:
when you crank you make kinetic energy and then the kinetic energy makes potential energy.
all moving objects have kinetic energy
An object that has kinetic energy must be in motion
Potential energy is technically stored within matter, though a force must be applied to an object in order for it to store potential energy. However, while the energy itself is stored in the mass of the object, another force (gravitational or elastic) must be present to release the potential energy.
Kinetic energy is the energy an object has because of its motion. If we want to accelerate an object, then we must apply a force. Applying a force requires us to do work. After work has been done, energy has been transferred to the object, and the object will be moving with a new constant speed.
What does your body use to replace tissues and organs?
Answer:
the body produces stem cells
Explanation:
Huan wants to enter the science fair at his school. He has a list of ideas for his project. Which questions could be answered through scientific investigation? Check all that apply. Does pressure have an effect on the solubility of a substance? Which physicist was the smartest? Is the information on the periodic table difficult to understand? Which brand of soap is the best for cleaning grease off of dishes? Which laboratory experiment is the most fun to perform?
an elastic material offers no resistance to forces that changes its shape
true or false
Answer:
Explanation:
FALSE
An elastic material like a rubber band or a spring definitely extends some resistance to its change.
However, in the case of non-elastic materials like hard plastic, the excess pressure results in the breakage of the material, whereas in the case of elastic materials, the excess pressure results in deformation of the shape.
How will a skydiver's velocity change when a parachute first
opens?
a The speed will suddenly decrease.
b The direction of the velocity is now upward.
c The acceleration will stay the same.
d The speed will not change.