Q23Multiple choice
A girl having mass of 35 kg sits on a trolley of mass 5 kg. The trolley is given an initial velocity of 4 m s–1 by applying a force. The trolley comes to rest after traversing a distance of 16 m.
- (a)How much work is done on the trolley?
- (b)How much work is done by the girl?
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(a) How much work is done on the trolley?