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A particle of mass 120g moving at speed ...

A particle of mass 120g moving at speed of 750cm/s is acted upon by a variable forrenpposite to its direction of motion as shown in figure. If the velocity of the particle becomes 250cm/s along the direction of force, fund the value of time't' for which force acted.

A

6sec

B

9sec

C

18sec

D

27 sec

Text Solution

Verified by Experts

The correct Answer is:
C
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