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Physics, 17.12.2021 01:00 Coscutt

A rock falls off a cliff and hits the ground after three seconds. The rock's velocity is 29.4 m/s when it hits the ground. What is its acceleration of the rock in the downward direction? A. 0.31 m/s2

B. 3 m/s2

C. 9.8 m/s2

D. 88.2 m/s2

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