Multiple Choice
A rock is thrown downward from an unknown height above the ground with an initial speed of 10 m/s. It strikes the ground 3.0 s later. Determine the initial height of the rock above the ground.
A) 44 m
B) 14 m
C) 74 m
D) 30 m
E) 60 m
Correct Answer:

Verified
Correct Answer:
Verified
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