Bewegungsenergie
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Beispielsätze:
- Bremsen überführen meist mechanisch Bewegungsenergie in Wärmeenergie.
- Als Schallenergie transportiert und ineinander umgewandelt werden Kompressionsenergie (Schalldruck) und Bewegungsenergie (Schallschnelle in ).
- Durch die Reibung mit der Luft, aber auch durch innere Reibung, verliert das Pendel an Bewegungsenergie, sodass sich seine Amplitude bis hin zu null reduziert.
energy of motion
kinetic energy
Description:
Kinetic energy ${{E}_{kin}}$ is the energy content in a body that arises due to the Acceleration of the body and thus acceleration Work. A body of mass m moved with a Velocity v incorporates the following kinetic energy: The energy is measured in J (joules) or Nm (newtonmetres). Energy can be converted from one type into another. In the case of a thread pendulum, for example, kinetic energy (at the zero passage) is converted into potential energy (at the point of full displacement). In the case of a Rotation, a body has rotational energy ${{E}_{rot}}$, which varies according to moment of inertia J and angular velocity $\omega $. The formula is:
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Example sentences:
- Brakes usually convert mechanical kinetic energy into heat energy.
- In the following section of the trajectory, this is converted back into kinetic energy.
- At the point of impact, the electrons' kinetic energy is converted to heat and heats a specific localised area of the workpiece.
energía cinética
energía de movimiento
动能
Description:
动能 ${{E}_{kin}}$ 是物体的一种内能，它随着物体的加速度和力的增加而增加。 质量为m的物体以速度v运动，其动能可表示如下： ${{E}_{kin}}=\frac{1}{2}\cdot m\cdot {{v}^{2}}$ 能量以J （焦耳）或Nm （牛顿米）来表征。 能量可以从一种形式转换成另一种形式。例如在线摆运动中物体的动能（零平面）可以转化为势能（最大位移点）。 在转动时物体具有转动能 ${{E}_{rot}}$ ，该能量随着惯性力矩和角速度 $\omega $ 的变化而改变。公式如下： ${{E}_{rot}}=\frac{1}{2}\cdot J\cdot {{\omega }^{2}}$ 从势能转化为动能
