A body dropped from a height h with an initial speed zero, strikes the ground with a velocity 3 km/h. Another body of same mass is dropped from the same height h with an initial speed -u¹= 4km / h . Find the final velocity of second body with which it strikes the ground - VgyanHub

Question:

A body dropped from a height h with an initial speed zero, strikes the ground with a velocity 3 km/h. Another body of same mass is dropped from the same height h with an initial speed -u¹= 4km / h . Find the final velocity of second body with which it strikes the ground

Options :

(a) 3 km/h
(b) 4 km/h
(c) 5 km/h
(d) 12 km/h

Answer :

(c) 5 km/h

Answer Steps :

Step 1:

Step 2:

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