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Physics, 20.11.2020 16:40 Alexmills6093
You are standing at the top of a high cliff. You drop a rock and it hits the ground 4 seconds later. How fast was it going when it hits the ground?
A. -9.8 m/s
B. -38.2 m/s
C. -29.4 m/s
D. -19.6 m/s
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You are standing at the top of a high cliff. You drop a rock and it hits the ground 4 seconds later....
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