A stone is released from rest from the top of a 45 m high building

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Kinematics · Kinematics

Problem

A stone is released from rest from the top of a 45 m high building. (i) Calculate the time it takes to reach the ground. (ii) Find the speed with which it strikes the ground. Take g=9.8 m s−2g = 9.8\,\text{m}\,\text{s}^{-2}.

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