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.

vavg = 80.0 ft/s, aavg = 12.57 ft/s2

vavg = 80.0 ft/s, aavg = 15.15 ft/s2

vavg = 45.2 ft/s, aavg = 13.91 ft/s2

vavg = 55.0 ft/s, aavg = 15.15 ft/s2

A car, initially at rest, moves along a straight road with constant a

1.	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.	vavg = 80.0 ft/s, aavg = 15.15 ft/s2
B.	vavg = 45.2 ft/s, aavg = 13.91 ft/s2
C.	vavg = 80.0 ft/s, aavg = 12.57 ft/s2
D.	vavg = 55.0 ft/s, aavg = 15.15 ft/s2
Answer» C. vavg = 80.0 ft/s, aavg = 12.57 ft/s2

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