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A body of mass  is projected vertically upwards with velocity of . 5 seconds after this body breaks into  and . If  piece travels upwards with , then the velocity of the block will be

a)

 downwards

b)

 upwards

c)

 downwards

d)

 upwards


Question ID - 52109 | Toppr Answer

A body of mass  is projected vertically upwards with velocity of . 5 seconds after this body breaks into  and . If  piece travels upwards with , then the velocity of the block will be

a)

 downwards

b)

 upwards

c)

 downwards

d)

 upwards

1 Answer - 5876 Votes

3537

Answer Key : (a) -

(a)

Velocity of  mass after  of projection

At this instant momentum of body is an upward direction

After breaking  piece travels upwards with  let the speed of  mass is

By the law of conservation of momentum

 it moves in downward direction



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