A man throws balls with same speed vertically upwards one after the ot – McqOptions

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1.	A man throws balls with same speed vertically upwards one after the other at an interval of 2 sec. What should be the speed of throw so that more man two balls are in air at any time?
A.	Only with speed 19.6 m/s
B.	More than 19.6 m/s
C.	At least 9.8 m/s
D.	Any speed less than 19.6 m/s.
Answer» C. At least 9.8 m/s

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