英语翻译The rollercoasterPotential andkinetic energyObserving themotion of a roller coaster carMeasuring thespeed of the roller coaster car

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英语翻译TherollercoasterPotentialandkineticenergyObservingthemotionofarollercoastercarMeasuringthespeedo

英语翻译The rollercoasterPotential andkinetic energyObserving themotion of a roller coaster carMeasuring thespeed of the roller coaster car
英语翻译
The rollercoaster
Potential andkinetic energy
Observing themotion of a roller coaster car
Measuring thespeed of the roller coaster car

英语翻译The rollercoasterPotential andkinetic energyObserving themotion of a roller coaster carMeasuring thespeed of the roller coaster car
The rollercoaster 过山车Potential and kinetic energy 势能和动能Observing the motion of a roller coaster car 观察一辆(或一列)过山车的运动
Measuring the speed of the roller coaster car 测量过山车的速度

过山车
势能和动能
观察过山车的运动
测量过山车的速度

一辆过山车
有动能和势能
观察它的移动
计算它的速度