Answer: Vibrating
Explanation:
Sound is produced when an object vibrates. The sound vibrations cause waves of pressure that travel through a medium, such as air, water, wood or metal. Sound is a form of mechanical energy.
Answer:
In this case, a body of mass 5 kg kept at a height of 10 m. So the potential energy is given as 5 * 10 *10 = 500 J.
Answer:
c
Explanation:
Earth has a gravitational force which pulls objects towards the center of the earth.
Answer:
A
Explanation:
I guess but not sure cause wind is soemthing you can get back electricity is soemthing you can't