22. A ball thrown up falls back to the floor and bounces many times. For a ball...
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22. A ball thrown up falls back to the floor and bounces many times. For a ball thrown up in the direction shown in the figure, the position of the ball as a function of time is given by:
The velocities in the x and y directions are constants throughout the motion and are given by and
. In the vertical z direction the initial velocity is
, and when the ball impacts the floor its rebound velocity is 0.8 of the vertical velocity at the start of the previous bounce. The time between bounces is given by , where is the vertical component of the velocity at the start of the bounce. Make a 3-D plot (shown in the figure) that shows the trajectory of the ball during the first five bounces. Take m/s, , , and m/s2.
KII
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