A body dropped from a height h with an initial speed zero, strikes the ground with a velocity 3km/h. Another body of same mass is dropped from the same height h with an initial speed u'=4km/h. Find the final velocity of second body with which it strikes the ground 

(1) 3 km/h

(2) 4 km/h

(3) 5 km/h

(4) 12 km/h

Concept Videos :-

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Concept Questions :-

Uniformly accelerated motion
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