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  • Pendulums 日期:2011-09-20 09:30:00 来源:作文地带 好评:优秀英语作文

    作文地带导读:From the figure, we see that . If we plug that value into the equation above, we can solve for v:  Don’t let a big equation frighten you. Just register what it conveys: the longer the string and the greater the angle, the f...

    energy Equilibrium velocity Pendulums pendulum

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