A 0.05-kg car starts from rest at a height of 0.95 m. Assuming no friction, what is the kinetic energy of the car when it reaches the bottom of the hill?
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potential energy will convert completely as there are no losses
mgh = K.E
0.05 *10 * 0.95 = K.E
K.E. = 0.475 J
( use g= 9.8 for more accuracy)
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