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A bullet fired from a gun experiences a ...

A bullet fired from a gun experiences a force of `600 -2 xx 10^(5)` t in the barrel of the gun. Here t is in second . The force becomes zero as soon as the bullet leaves the barrel of the gun . The time for which the bullet was in the barrel of the gun is

A

` 2 xx 10^(-5)`s

B

` 10^(-5)s`

C

` 3 xx 10^(-5)`

D

` 3 xx 10^(-3)`s

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The correct Answer is:
D
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