Description
An object of mass 3kg is at rest. Now a force of F= 6t2i + 4tj is applied on the object then velocity of object at t = 3s is
A . 1 8 i + 3 j
B . 1 8 i + 6 j
C . 3 i + 1 8 j
D . 1 8 i + 4 j
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