名词
中文翻译：动力的
同义词：
['dynamic', 'kinetic energy']
例句：
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1.The kinetic energy of the projectile is equal to its mass times the velocity squared.
投射物的动能等于其质量乘以速度的平方。
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2. The kinetic energy of a ball thrown into the air can be used to power a motor.
将球抛向空中时，其动能可以用来驱动马达。
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3. The kinetic energy of the wind is responsible for the movement of objects in the atmosphere.
风的动能是大气中物体运动的原因。