Multiple Choice
A ball is dropped from a rooftop of a building and falls for two seconds. The acceleration of gravity is 9.8 m/s2. The ball is referred to at the two-second time.
-The velocity of the ball in m/s is
A) 0.
B) 4.9.
C) 9.8.
D) 19.6.
E) none of these.
Correct Answer:
Verified
Correct Answer:
Verified
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