Multiple Choice
A 30-N stone is dropped from a height of 10 m and strikes the ground with a speed of 13 m/s.What average force of air friction acted on the stone as it fell?
A) 4.1 N
B) 2.9 N
C) 0.13 kN
D) 7.2 N
E) 1.2 N
Correct Answer:
Verified
Correct Answer:
Verified
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