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The tub of a washer is spinning at an angular speed of 40 radhs when the person doing the laundry opens the lid, and a safety switch turns off the washer. The tub smoothly slows to rest in 10.0 s. The average angular velocity of the tub is 1 rad/s as it slows. The tub turns through 2 rad as it slows.

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二400-200-2-rond

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