Write the transformation of energy in the given cases.
a) wind moving
b) an athlete running
c ) a coconut falling
d) playing a guitar
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a)Moving air has kinetic energy. ... Wind turbines change the kinetic energy of the wind into electrical energy.
b) Firstly the athlete has stored chemical energy in their body. They convert this energy into kinetic energy as they accelerate down the track. ...
c) Energy conservation is applied to the system of a falling coconut. The total energy of the system remains constant. That means the sum of kinetic energy and potential energy should be constant.
d)Work requires energy. To play a guitar your body converts chemical energy into kinetic energy in your arms and fingers. Some of this is transferred to the strings and then transformed into sound.
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