Question

10.
A stone is dropped from the top of a tower. Its velocity after its has fallen 20 m is
(Take g = 10 m/s)
(A) 5 m/s
(B) 10 m/s
(C) 30 m/s
(D) 20 m/s​

Answer 1

Explanation:

Correct answer is option number (D)

You can solve it by applying 2nd equation of motion i.e.

v^2 = u^2 + 2as.

HOPE YOU GOT IT

Answer 2

Answer:

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