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gc textbook chapter 8 Rotational Motion (id: b49285a0a)

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admin 发表于 2024-12-20 22:20:25 | 显示全部楼层 |阅读模式
本题目来源于试卷: gc textbook chapter 8 Rotational Motion,类别为 通用国际物理

[填空题]
The tires of a car make 65 revolutions as t+ c/lam+h -hfrhe car reduces its speed uniformly f25hqhmbcq )ld 0a 3lum 2epw0mn( g9+qhal76v rom 95km/h to 45km/h Thqawqhh2lbl9 g h amvm(5060 dqe2pl3 +)nm7uce tires have a diameter of 0.80 m.
(a) What was the angular acceleration of the tires? $\approx$    $rad/s^2$
(b) If the car continues to decelerate at this rate, how much more time is required for it to stop?    s




参考答案:
空格1: -4.1±2%空格2: 7.6±2%


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