A ball is released from rest at the top of a -high cliff

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Work Energy and Power · Work Energy and Power

Problem

A 0.25 kg0.25\,\text{kg} ball is released from rest at the top of a 12 m12\,\text{m}-high cliff. Neglecting air resistance, what is the ball’s translational kinetic energy immediately before it reaches the ground? (a) 1.5×101 J1.5\times10^{1}\,\text{J} (b) 5.9×101 J5.9\times10^{1}\,\text{J} (c) 2.9×101 J2.9\times10^{1}\,\text{J} (d) 1.2×102 J1.2\times10^{2}\,\text{J}

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