1.

A block slides down as incline of 30^@with the horizontal. Starting from rest, it covers 8 m in the first 2 seconds. Find the coefficient of static friction.

Answer»

Solution :Use ` s = UT + 1/2 at^2`
` a = (2S)/(t^2) " as " u= 0 `
`MU = (g SIN theta)/(g cos theta) `
Putting the value and solving `mu = 0.11`


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