Engineering, 12.02.2020 05:37, Rodny1047
A car, initially at rest, moves along a straight road with constant acceleration such that it attains a velocity of 60 ft/s when s = 150 ft Then after being subjected to another constant acceleration it attains a final velocity of 100 ft/s when s = 325 ft. Determine the average velocity and average acceleration of the car for the entire 325-ft displacement.
A. V_avg = 55.0 ft/s, a_avg = 15.15 ft/s^2
B. V_avg = 45.2 ft/s, a_avg = 13.91 ft/s^2
C. V_avg = 80.0 ft/s, a_avg = 12.57 ft/s^2
D. V_avg = 80.0 ft/s, a_avg = 15.15 ft/s^2
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