A 2150-kg truck is traveling along a straight, level road at a constant speed of 55.0 km/h when the driver removes his foot from the accelerator. After 21.0 s, the truck's speed is 33.0 km/h. What is the magnitude of the average net force acting on the truck during the 21.0 s interval?
A) 2250 N
B) 626 N
C) 1890 N
D) 972 N
E) 229 N
Correct Answer:
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