Question

1. A man throws balls with the same speed vertically
upwards one after the other at an interval of 2 seconds.
What should be the speed of the throw, so that more than
two balls are in the sky at any time? (Given g =9.8 m/s?)
(a) At least 0.8 m/s.
(b) Any speed less than 19.6 m/s.
(c) Only with speed 19.6 m/s.
(d) More than 19.6 m/s.​

Answer 1

Answer:

more thy19.6m/s.

Explanation:

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