D energy is absorbed making it feel colder.
The definition of endothermic means energy is absorbing and there is not as much heat anymore
If an athlete has X joules of mechanical energy at the top of the hill, he will have the same X amount of energy at the bottom of the hill.
<h3>What is mechanical energy?</h3>
Mechanical energy is the addition of kinetic and potential energy. It can be either kinetic or potential energy.
It is the energy possessed by the position or the motion of the body.
It is the energy present to perform any work.
So, the athlete will have X joule of energy at the top and bottom of the hill.
Thus, the correct option is a, X joules.
Learn more about mechanical energy
brainly.com/question/20030300
The answer is deformation of rocks. hope it helps :)
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