A body dropped from a height h with initial velocity zero, strikes the ground with a velocity 3 m/s. Another body of same mass dropped from the same height h with an initial velocity of 4 m/s. The final velocity of second mass, with which it strikes the ground is

(a) 5 m/s

(b) 12 m/s

(c) 3 m/s

(d) 4 m/s

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2 Answers

Shoulnt the g be taken negative, the ball is thrown vertically upwards

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Yes in this question since we have taken downward motion as positive therefore upward motion will have a reverse sign of v and g both.

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