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A ball rolls of the top of a stairway wi...

A ball rolls of the top of a stairway with horizontal velocity of magnitude ` 1. 8 ms^(-1)`. The steps are ` 0.20 m` high and ` 0.02 m` wide , Which step will the ball hit first ? ( `g = 10 m//s^2)`.

A

First

B

Second

C

Third

D

Fourth

Text Solution

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The correct Answer is:
D
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