Multiple Choice
A ball is thrown vertically upwards at 19.6 m/s.For its complete trip (up and back down to the starting position) ,its average speed is:
A) 14.7 m/s.
B) 9.8 m/s.
C) 19.6 m/s.
D) 4.9 m/s.
E) not given.
Correct Answer:
Verified
Correct Answer:
Verified
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