Posted by centya on Monday, December 17, 2012 at 10:02am.
A bouncy rubber ball is dropped from a height of about a metre above the ground .it falls to the ground, bounces and then rises back to almost the height from which it was dropped. Describe the main energy transformations that take place from the point at which the ball first touches the ground until the point it leaves the ground again.
Gravitational potential energy is converted into kinetic energy and then into sound energy.
Is that correct help plz
Increasing the wavelength of the light,
Changing the metal,
Decreasing the frequency of the light
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