• 动量守恒定律告诉,碰撞速度多少

    So the conservation of momentum tells you what the speed is after the collision.

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  • 没有外力,作用系统整体,在碰撞过程中,动量就是守恒的。

    And if there is no net external force on the system as a whole during the collisions, then momentum is conserved.

    youdao

  • 选择这个例子,它完全弹性碰撞-,为0,Q, is, zero——,那么动能必然守恒

    I told you I chose the case of - a completely elastic collisionQ and so kinetic energy must be conserved.

    youdao

  • 动量守恒,可以写下2,完全-,非弹性碰撞

    Momentum is conserved, so I can m1*v1+ write down that m1 times v1 plus m2 - it is a completely inelastic collision-- *v times v prime.

    youdao

  • 文中根据刚体动力学动量守恒定理,建立起颗粒–壁面碰撞数学模型采用此三维数学模型研究壁面约束效应细长颗粒流化特性的影响。

    The three-dimensional particle-wall collision mathematical models were founded in the light of the kinetic of rigid and the momentum conservation law, and the effects of wall on the f.

    youdao

  • 根据动量守恒定律建立了摩托车汽车正面碰撞直角侧面碰撞数学模型

    Based on the law of momentum conservation, the mathematics patterns of front collision and vertical side collision of motorcycles and motor vehicles are developed.

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  • 本文根据动量平衡动量守恒定律基本原理,提出了推算碰撞汽车动量碰撞速度图解方法

    Based on momentum balance and the law of momentum conservation, two new graphic methods are developed to determine the pre-impact vehicle momentum or collision speed in this paper.

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  • 必须记住动量守恒甚至对于非弹性碰撞也是成立的,尽管这时动能守恒

    It is important to realize that momentum conservation applies even to inelastic collisions, in which the kinetic energy is not conserved.

    youdao

  • 两个物体运动轨迹相交时发生碰撞干涉,在碰撞前后满足动量守恒能量守恒定律

    When the motion tracks of two objects intersect, they may collide and have interference. Before and after their collision, they meet law of conservation of momentum and law of conservation of energy.

    youdao

  • 两个物体运动轨迹相交时发生碰撞干涉,在碰撞前后满足动量守恒能量守恒定律

    When the motion tracks of two objects intersect, they may collide and have interference. Before and after their collision, they meet law of conservation of momentum and law of conservation of energy.

    youdao

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