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(Solved by Expert Tutors) A roll of paper is wound on a thin, hollow, inner core former which


is made of cardboard and has a radius of 2cm. A 5m length of paper is wound on the core so that the final radius of core plus paper is 3cm. Then the paper is unrolled by holding the free end onto the ground and sending the roll away with an initial speed v0 = 0.2 m/s. Determine the speed of the roll when all the paper has unwound given that the mass of the paper is twice that of the inner core. You may neglect all frictional effects and air resistance.

 


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DATE ANSWERED

Apr 19, 2020

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