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A Boulder Tumbles Off a Cliff

Question 173

Multiple Choice

A boulder tumbles off a cliff. It accelerates at the rate of the gravitational constant for Earth, 9.8 m/s2. It hits the ground with a force of 91,590 N. What is the mass of the boulder?


A) 9250 kg
B) 9321 kg
C) 9346 kg
D) 9212 kg

Correct Answer:

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