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Question

A block at rest slides down a smooth inclined plane which makes and angle 60o with the vertical and it reaches the ground in t1 seconds. Another block is dropped vertically from the same point and reaches the ground in t2 seconds. What is the ratio of t1:t2?

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Solution

A block at rest slide down a smooth inclined plane which make an angle 60 with the vertical and it reach the ground in t1 second
Similarly, second block reach the ground in t2 second
Time taken to reach the bottom {t_1}
t1=  2hsinθsinθ
Similarly, t2=  2hsinθsinθ
t1:t2=1:1

1118008_1024565_ans_2121ac89c6f248a1a150bfb91826ec15.jpeg

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