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A particle is moving in a straight line...

A particle is moving in a straight line according as `s=45t+11t^2-t^3` then the time when it come to rest is: a)`-9` seconds b)`5/3` seconds
c)`9` seconds d)`-5/3` seconds

A

`-9 seconds`

B

`5/3`seconds

C

`9 seconds`

D

`-5/3` seconds

Text Solution

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The correct Answer is:
C
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