Multiple Choice
The acceleration of gravity on Earth is approximately 10 m/s² (more precisely,9.8 m/s²) .If you drop a rock from a tall building,about how fast will it be falling after 3 seconds?
A) 30 m/s.
B) 10 m/s.
C) 30 m/s²
D) 10 m/s²
E) 20 m/s
Correct Answer:
Verified
Correct Answer:
Verified
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