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A body with mass 5 kg is acted upon by ...

A body with mass 5 kg is acted upon by a force `F = (-3hati + 4hatj)` N. if its initial velocty at t = 0 is v =`(6hati - 12hatj)ms^-1`, the time at which it will just have a velocity along the y -axis is

A

never

B

10 s

C

2 s

D

15 s

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