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Physics Unit5: Circular Motion & Gravitation (id: e4be97ce7)

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admin 发表于 2024-2-5 20:31:42 | 显示全部楼层 |阅读模式
本题目来源于试卷: Physics Unit5: Circular Motion & Gravitation,类别为 通用国际物理

[单选题]
Is it possible for an obje;grgta hy h39,:9nbqzct moving with a constant speed to accelerate? Exc(9l)5bprc5vmwri +l plain 55crlwp+r )ib9 mvcl(.

A. No, if the speed is constant then the acceleration is equal to zero.
B. No, an object can accelerate only if there is a net force acting on it.
C. Yes, although the speed is constant, the direction of the velocity can be changing.
D. Yes, if an object is moving it can experience acceleration


参考答案:  C


本题详细解析: 暂无

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