A is projected from ground with velocity (20î+30ĵ) m/s. Simultaneously B is projected from a point 40 m vertically above A with velocity (30î+20ĵ) m/s. While both are in free flight, which statements are correct?
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Question

A is projected from ground with velocity (20î+30ĵ) m/s. Simultaneously B is projected from a point 40 m vertically above A with velocity (30î+20ĵ) m/s. While both are in free flight, which statements are correct?

Select all that apply

G1 Physics · Accepted Answer

Both experience the same gravitational acceleration, which cancels in relative motion. Their initial velocities differ, so the relative velocity is constant and the relative trajectory is straight. Individual parabolas need not be parallel.