A pulley wheel that is 8.0 cm in diameter has a 5.6-m-long cord wrapped around its

Chapter 10, Problem 107

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A pulley wheel that is 8.0 cm in diameter has a 5.6-m-long cord wrapped around its periphery. Starting from rest, the wheel is given a constant angular acceleration of 1.5 rad/s2 . (a) Through what angle must the wheel turn for the cord to unwind completely? (b) How long will this take?

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