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A truck of mass 1000 kg accelerates uniformly from rest to a velocity of 15 ms–1 in 5 seconds. Calculate 

(i) its acceleration, 

(ii) its gain in K.E., 

(iii) average power of the engine during this period, neglect friction.

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(i) its acceleration

(iii) P = W/t 

= 22500 W

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