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The velocity graph of an accelerating car is shown. (km/h) 60 40 20 8 12 : (seconds) (a) Estimate the average velocity Vave of the

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The velocity graph of an accelerating car is shown. (km/h) 60 40 20 8 12 : (seconds) (a) Estimate the average velocity Vave of the car during the first 12 seconds. Use the Midpoint Rule with n = 3. (Round the answer to the nearest whole number.) Vave= km/h (b) At what time t was the instantaneous velocity equal to the average velocity? (Round the answer to one decimal place.) t =

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