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An object of mass 3kg is at rest. Now a force F=6t² i⃗+4t j⃗ is applied on the object

An object of mass 3kg is at rest. Now a force F=6t² i⃗+4t j⃗ is applied on the object. Then velocity of object at t=3s is

Options

(a) 18 i⃗ + 3 j⃗
(b) 18 i⃗ + 6 j⃗
(c) 3 i⃗ + 28 j⃗
(d) 18 i⃗ + 4 j⃗

Correct Answer:

18 i⃗ + 6 j⃗

Explanation:

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