A body is thrown upward from ground covers equal distances

A body is thrown upward from ground covers equal distances in 4th and 7th second. With what initial velocity the body was projected?

Options

(a) 20 m/s
(b) 50 m/s
(c) 30 m/s
(d) 10 m/s

Correct Answer:

10 m/s

Explanation:

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