A velocity-time graph for an object moving along the x axis is shown in the figu

Question

A velocity-time graph for an object moving along the x axis is shown in the figure. Every division along the vertical axis corresponds to 2.50 m/s and each division along the horizontal axis corresponds to 1.50 s. Plot a graph of the acceleration versus time. Determine the average acceleration of the object in the time interval t = 7.50 s to t = 22.5 s. Your response differs from the correct answer by more than 10%. Double check your calculations. m/s^2 Determine the average acceleration of the object in the time interval t = 0 to t = 30.0 s. Your response differs from the correct answer by more than 10%. Double check your calculations. m/s^2

Explanation / Answer

b) Vav = v2-v1/(t2-t1) = 16*2.5/(7.50 - 22.5) = -2.66 m/s^2

c) vav = v2-v1/(t2-t1) = 16*2.5/(30-0) = 1.33 m/s^2

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