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A 2.9 kg block is projected at 5.4 m/s up a plane that is inclined at...

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Physics


A 2.9 kg block is projected at 5.4 m/s up a plane that is inclinedat 40∘ with the horizontal

a
How far up along the plane does the block go if the coefficient ofkinetic fraction between the block and the plane is 0.375?

b..How far up the plane does the block go if
If the block then slides back down the plane, what is its speedwhen it returns to its original projection point?the plane isfrictionless? Give your answer with three significant figures.

c.

Answer & Explanation Solved by verified expert
4.2 Ratings (525 Votes)
afrom the force diagram force equation perpendicular to inclineis given asFn mg Cos40uk Coefficient of kinetic friction 0375kinetic frictional force acting on the block is given asfk ukFn uk mgCos40d distance moved by    See Answer
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