A ball of mass 0.5 kg is moving with a v...

A ball of mass 0.5 kg is moving with a velocity v of 2 m`cdot s^(-1)` . It is subjected to a force of xN in 2 s. Because of this force, the ball moves with a velocity of `3 m cdot s^(-1)`. The value of x is

5 N

8.25 N

0.25 N

1 N

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