Multiple Choice
A rock is thrown straight up with an initial velocity of 22.54 m/s.What time interval elapses between the rock's being thrown and its return to the original launch point? (Acceleration due to gravity is 9.80 m/s2. )
A) 4.60 s
B) 2.30 s
C) 3.45 s
D) 3.91 s
E) 5.06 s
Correct Answer:
Verified
Correct Answer:
Verified
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