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A ski starts from rest and slides down a 20 degree incline 100meters long. (a) if the coefficient of friction is .090, what is the the ski's speed at the base of the incline? (b)if the snow is level at the foot of the incline and has the same coefficient of friction, how far will the ski travel along the level?
I have to use the conservation of energy method. I know thatU0 + K0= U + K. I don't know how to add friction and solve for velocity. please help me urgent
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Draw a ray diagram to show the formation of image of an object placed among the optical centre and focus of the convex lens. Write the characteristics of image formed. Using this d
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what are the advantage and disadvantages of light reflections
What is meant by gravitational law?
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