form a formula to calculate the time between bounces of a ball

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AngelsaAtWar
AngelsaAtWar 2013-10-6
评论： AngelsaAtWar 2013-10-6
find the time between the first 8 bounces of a bouncing ball
n= 1:8
h=2
g= 9.81
vimpact= sqrt( 2*g*h)
vrebound= .85.*vimpact
tbetweenbounces= vimpact/g
and set the first bounce to t=0
can someone help me form a formula to calculate the time between bounces by using the element-to element method

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回答（1 个）

Roger Stafford
Roger Stafford 2013-10-6
Is this homework? You need to work the problem in two stages. First determine the velocity of the first impact from a drop of (presumably) two feet and then the velocity of the first rebound. Next you need to find a formula for the time in terms of the rebound velocity during each bounce. The one you give looks incorrect to me. Use a for-loop to go repeatedly through the first eight bounces calculating the time elapsed during each.

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