Question

A stone is projected vertically upward wit
speed 30 m/s from the top of a tower. If it str
the ground with a speed of 10V3 m/s, then he
of tower is (g = 10 m/s?]
(1) 10 (2) 15 m
(3) 30 m
(4) 20 m
​

Answer 1

Answer:

Explanation:

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