A 2155-kg truck is traveling along a straight, level road at…
A 2155-kg truck is traveling along a straight, level road at a constant speed of 15.3 m/s when the driver removes his foot from the accelerator. After 21 s, the truck’s speed is 9.2 m/s. What is the magnitude of the average net force acting on the truck during the 21 s interval?
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