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The position of a ball rolling in a staight line is given by a: = 2.9 15$ + 3.59. where a; is in meters and

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The position of a ball rolling in a staight line is given by a: = 2.9 15$ + 3.59. where a; is in meters and t in seconds. What is its instantaneous velocity at t = 2.0 s and at t = 3.0 s ? Enter your answers using two significant figures separated by commas. AEd 12 04, 13.0= = m/s

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