A rolling ball moves from $x_1$ = 9.0 cm to $x_2$ = -4.0 cm during the time from $t_1$ = 3.9 s to $t_2$ = 6.0 s. Part A What is its average velocity over this time interval? Express your answer using two significant figures. $v$ = cm/s
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Step 1: The average velocity is defined as the change in position divided by the change in time. Show moreā¦
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