During the Spin-Dry Cycle of a Washing Machine, the Motor

question 54

Multiple Choice

During the spin-dry cycle of a washing machine, the motor slows from 90 rad/s to 30 rad/s while the turning the drum through an angle of 180 radians. What is the magnitude of the angular acceleration of the motor?

• A)64 rad/s²
• B)32 rad/s²
• C)10 rad/s²
• D)20 rad/s²
• E)1.0 rad/s²

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