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单词 impulse
释义 impulse
Symbol J. The product of a force F and the time t for which it acts. If the force is variable, the impulse is the integral of Fdt from t0 to t1. The impulse of a force acting for a given time interval is equal to the change in momentum produced over that interval, i.e.
J = m(v1 - v0)
, assuming that the mass (m) remains constant while the velocity changes from v0 to v1
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更新时间:2025/6/23 13:08:50