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gc textbook chapter 8 Rotational Motion (id: a29dc99a7)

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Post time 2025-2-18 20:00:22 | Show all posts |Read mode
本题目来源于试卷: gc textbook chapter 8 Rotational Motion,类别为 unclassified

[填空题]
A small 650-gram ball on the end of a thin,+vf .d0n cd yqlk-5r*o l-kkmlv4w8e mzmx 24 b3ight rod is rotated in a horizontal circle of radius 1xkm28lm-km4w3 e4 vzb .2 m. Calculate
(a) the moment of inertia of the ball about the center of the circle,    $kg \cdot m^2$
(b) the torque needed to keep the ball rotating at constant angular velocity if air resistance exerts a force of 0.020 N on the ball. Ignore the rod’s moment of inertia and air resistance.    $m \cdot N$




参考答案:
空格1: 0.94±2%空格2: 0.024±2%


本题详细解析:
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