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an object m = 3.05kg rolls from rest down an incline plane, its center initially at...

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Physics

an object m = 3.05kg rolls from rest down an incline plane, itscenter initially at a height of 7.55m above the bottom of the ramp.The inclination of the incline as measured from the horizontal is37.3o. If the object is a solid uniform cylinder of radius r =1.25m, then at the bottom of the incline, what is the (a)rotational kinetic energy and (b) the angular momentum. If theobject is a hoop of radius, r = 1.05m, then at the bottom of theramp, what is the (c) rotational kinetic energy and (d) the angularmomentum?

Answer & Explanation Solved by verified expert
4.4 Ratings (953 Votes)
a Unifrom cyllinder Let w is the angular speed and v is the linear speed at the bottom Apply conservation of energy 12mv2 12Iw2 mgh    See Answer
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