NEET Physics Equations of Motion MCQ Question
A body with mass 5 kg is acted upon by a force F = (−3î + 4ĵ)N. If its initial velocity at t = 0 is v = (6î − 12ĵ) ms⁻¹, the time at which it will just have a velocity along the Y⁻axis is
Never
10 s
2 s
15 s
Correct Answer
Detailed Explanation
The force causes an acceleration, changing the velocity over time. Solving the equations of motion, the velocity along the X⁻axis becomes zero at 2 seconds.
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