Question

A body slides down a smooth inclined plane of base 'x' meteres. The angle of the plane so thatthe time taken by the body to reach the bottom of the plane will be minimum is[]a) 30°b) 60°c) 45°d) 75°​

Answer 1

Answer:

a. 30 is the correct answer

more the value of cos@ less the time

Answer 2

Answer:

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Explanation:

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