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A bullet of mass m moving with velocity ...

A bullet of mass m moving with velocity `upsilon_(1)` strikes a suspended wooden block of mass M as shown in the figure and sticks to it. If the block rises to a height y. the initial of the bullet is

A

`upsilon_(1) = (m+M)/(m) sqrt(2 gy)`

B

`upsilon_(1) = sqrt(2 gy)`

C

`upsilon_(1) = (M+m)/(M) sqrt(2 gy)`

D

`upsilon_(1) = m/(m+M) sqrt(2 gy)`

Text Solution

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The correct Answer is:
A
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