Question : A ball rolls of the top of stair-way with a horizontal velocity of magnitude 1.8 ms−1. The steps are 0.20 m high and 0.20 m wide. Which step will the ball hit first?
(A) First
(B) Second
(C) Third
(D) Fourth
Answer : option (D)
Solution :
A ball rolls of the top of stair-way with a horizontal velocity of magnitude 1.8 ms−1. The steps are 0.20 m high and 0.20 m wide. Which step will the ball hit first?
with
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