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, on a hill. Dr. L., Jimmie and Kepler (Total mass = MT ) are all...

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Physics

, on a hill. Dr. L., Jimmie and Kepler (Total mass = MT ) areall on a massless sled together. They are on a hill that is at anangle of θ above horizontal… Ok. Now we know Dr. L. is lazy. Thisis the third problem he’s reused… Assume they start from rest andthat there is no friction between the sled and hill. a.) How fastwill the sled be going when it reaches the bottom of the hill. ---Now assume there’s friction between the sled and hill. Thecoefficient of kinetic friction is µK. b.) Draw a free body diagramof the sled. c.) What is the force of friction acting on the sled?d.) Now use energy and determine the final velocity of the sledwith friction. Is it less than it was before? Good! It betterbe.

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4.0 Ratings (813 Votes)
Okay the problem statement is incompletebut i understandthat sled is moving down on a slopeThe hill has some vertical height h The    See Answer
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QUESTION 8 (CHAPTER 19)