A ball is thrown up with a velocity of 2.5m/s. It collides elasticall – McqOptions

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1.	A ball is thrown up with a velocity of 2.5m/s. It collides elastically with the ground. Find the frequency of this periodic motion.
A.	1Hz
B.	2Hz
C.	3Hz
D.	0.5Hz
Answer» C. 3Hz

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