Q

A particle of mass m starts from rest and moves with constant acceleration along a straight line. How does kinetic energy K depend on distance x?

RRB Technician Grade-I 20/12/2024 / Shift-I 2024
✓ Answer: A K ∝ x
v² = 2ax, so K = (1/2)mv² = max. Hence K is proportional to x.
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