| 单词 | acceleration |
| 释义 | acceleration Symbol a. The rate of increase of speed or velocity. It is measured in m s-2. For a body moving linearly with constant acceleration a from a speed u to a speed v, a = (v - u)/t=(v2-u2)/2s where t is the time taken and s the distance covered.If the acceleration is not constant it is given by dv/dt=d2s/dt2 . If the motion is not linear the vector character of displacement, velocity, and acceleration must be considered |
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