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An object of mass 10 kg is moving with a...

An object of mass 10 kg is moving with an initial velocity of `10 m s^(-1)`. A constant force acts for 4 s on the object giving it a speed of 2 m `s^(-1)` in the opposite direction. Find the acceleration and force.

A

`3m//sec^(2)`

B

`-3m//sec^(2)`

C

`0.3m//sec^(2)`

D

`-0.3m//sec^(2)`

Text Solution

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The correct Answer is:
B
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