Overweight and underweight (id: 7f217f6b6)

本题目来源于试卷: Overweight and underweight，类别为 美国物理杯赛(Physics Bowl)

[单选题]
97.30 : A string with masses of 1.5 kg an.gc:ygy8bjyuvc 2 +.i d 3.0 kg on itf7xd:mm6 hp ywei 3z(5*u)qvnq;x5 fns ends is hung over a frictionless, massless pulleqfyqf; 7umn: m3 e(56ix vznwx* 5hpd)y as shown to the right. What is the approximate magnitude of the acceleration of the masses?

A. $1.5\; m/s^{2}$
B. $3.0\;m/s^{2}$ .
C. $3.3\; m/s^{2}$ .
D. $6.7\; m/s^{2}$
E. $10\; m/s^{2}$ .


参考答案:  C


本题详细解析: 暂无

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