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What is Hooke's law and why is it
so important?
胡克定律是什么,为什么它如此重要?
What is simple harmonic motion?
什么是简谐运动?
What happens to the energy of a mass
on a spring as it undergoes simple
harmonic motion?
质量在弹簧上做简谐运动时,其能量会发生什么变化?
Show that the potential energy of a
mass on a spring depends upon the
square of its distance from
equilibrium.
证明弹簧上质量的势能取决于其与平衡位置距离的平方。
What are the quantities necessary for
describing simple harmonic motion?
描述简谐运动需要哪些物理量?
What does the period of a simple pendulum
depend upon?
单摆的周期取决于什么?
How is a physical pendulum different from
a simple pendulum?
物理摆与单摆有什么不同?
How is the motion of a traveling wave related to simple harmonic motion? What quantities used for the description of a mass on a spring are also applicable to a traveling wave on a string?
traveling wave 的运动与简谐运动有何关系?用于描述弹簧上质量的量也适用于弦上的行波?
What is the relationship between frequency, wavelength and velocity for a traveling wave?
行波的频率、波长和速度之间有什么关系?
What is meant by transverse and longitudinal waves?
什么是横波和纵波?
What determines the speed of a wave in a stretched string?
什么决定了弦上波的速率?
Is the speed of a wave in a string dependent upon the frequency of the wave? the amplitude?
弦上波的速率是否取决于波的频率?振幅?
Show the mathematical form of a sinusoidal traveling wave
展示正弦行波的数学形式
How do you determine the power transmitted by a sinusoidal wave?
如何确定正弦波传递的功率?
Describe the reflection of a pulse on a string when it hits the fixed end of the string.
当脉冲遇到弦的固定端时,其反射现象如何描述?
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