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what is the correct formula for average velocity. The vertical instantaneous velocity is. The horizontal instantaneous velocity is.
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Remember you can only use this equation if there is no change in acceleration. Use the average velocity formula Consider the position function st16t288t representing the position of an object moving vertically along a line. As a quick example lets say a train accelerates at a constant rate from 30 ms to 80 ms.
Without constant acceleration Vavg Dt.
V y 2ct. In some applications the average velocity of an object might be needed that is to say the constant velocity that would provide the same resultant displacement as a variable velocity in the same time interval vt over some time period Dt. Note that this formula applies for constant acceleration only. Determine the slope of the secant line and explain its relationship to the moving object.
