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A tennis player moves in a straight-line path as shown in the figure. On the vertical...

A tennis player moves in a straight-line path as shown in the figure. On the vertical axis in the figure, X1=4.0 and X2= −1.4m. Find her average velocities in the time intervals

(a)Average velocity from 0 to 1.0 s.

(b)Average velocity from 0 to 4.0 s.

(c)Average velocity from 1.0 s to 5.0 s.

(d)Average velocity from 0 s to 5.0 s.

I NEED TO UNDERSTAND HOW TO DO THIS. PLEASE HELP ME UNDERSTAND and MAKE WORK CLEAR.

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