A man throws balls with the same speed vertically upwards one after the other

A Man Throws Balls With The Same Speed Vertically Upwards Physics Question

A man throws balls with the same speed vertically upwards one after the other at an interval of 2 s.What should be the speed of the throw,so that more than two balls are in the sky at any time? (take,g=9.8ms⁻²)

Options

(a) Any speed less than 19.6 ms⁻¹
(b) only with speed 19.6ms⁻¹
(c) More than 19.6 ms⁻¹
(d) At least 9.8 ms⁻¹

Correct Answer:

More than 19.6 ms⁻¹

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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Topics: Motion in Straight Line (93)
Subject: Physics (2479)

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