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A box is on an inclined which has angle θ=30 degrees with horizon. There is a...

A box is on an inclined which has angle θ=30 degrees with horizon. There is a box with mass M=5 kg on the inclined. The coefficient of friction between the box and the surface of inclined is μ=0.2 . a) If the box is kicked to move up the inclined and start moving up with velocity V=15 m/s moving upward, how far d=? does It move along the surface of inclined? b) How much energy Q=? is lost while the box moves done in part a)? c) Someone is trying to hold the box stationary by pushing it on the surface of incline. Suppose the person pushes it with a horizontal force. What is the minimum Fmin and maximum Fmax size of the force which keeps the box stationary?

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