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Class 11 NEET Physics Motion in a Straight Line Questions

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Question : 10 of 63

Marks: +1, -0

A bullet from a gun is fired on a rectangular wooden block with velocity

u

. When bullet travels

24 \text{ cm}

through the block along its length horizontally, velocity of bullet becomes

\frac{u}{3}

. Then it further penetrates into the block in the same direction before coming to rest exactly at the other end of the block. The total length of the block is

$24 \text{ cm}$
$28 \text{ cm}$
$30 \text{ cm}$
$27 \text{ cm}$

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