A pulley wheel that is 220 cm indiameter has a 52 m long, Ask an Expert

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A pulley wheel that is 22.0 cm indiameter has a 5.2 m long cord wrappedaround its periphery. Starting from rest, the wheel is given aconstant angular acceleration of 1.4rad/s2.

(a) Through what angle must the wheel turn for the cordto unwind?

(b) How long does the unwinding take?

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