A ball dropped from the 9th story of a multi- stored building reaches the ground in 3s. In the first second of its free fall, it passes through 𝑛 stories, where 𝑛 is equal to (Take g = 10ms−2 )

April 15, 2022

by Ezee_Notes

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Physics Problems

Question : A ball dropped from the 9th story of a multi- stored building reaches the ground in 3s. In the first second of its free fall, it passes through 𝑛 stories, where 𝑛 is equal to (Take g = 10ms−2 )

(A) 1

(B) 2

(D) 4

Answer : option (A)

Solution :

A ball dropped from the 9th story of a multi- stored building reaches the ground in 3s. In the first second of its free fall, it passes through 𝑛 stories, where 𝑛 is equal to (Take g = 10ms−2 )