Answer to Question #299926 in Classical Mechanics for Tim

Question #299926

An object slides down at the top of a hill starting from rest it takes 8 seconds to slide down 100 meters at an angle of 60. Then what will be the coefficient of kinetic friction?

1
Expert's answer
2022-02-20T08:20:06-0500

a=g(sinαμcosα),a=g(\sin\alpha-\mu\cos\alpha),

h=at22,h=\frac{at^2}2,

μ=tanα2hgt2cosα=1.09.\mu=\tan\alpha-\frac{2h}{gt^2\cos\alpha}=1.09.


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