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Physics, 09.10.2019 23:10 brandon0227

Arock hits the ground at a speed of 15 m/s and leaves a hole 50 cm deep. after it hits the ground, what is the magnitude of the rock's (assumed)uniform acceleration? a) 112.5 m/s^2
b) 225 m/s^2
c) 225
d) 127.5 m/s^2

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