Solved: An asteroid is moving along a straight line. A
Chapter 6, Problem 6.90(choose chapter or problem)
An asteroid is moving along a straight line. A force acts along the displacement of the asteroid and slows it down. The asteroid has a mass of 4.5 104 kg, and the force causes its speed to change from 7100 to 5500 m/s. (a) What is the work done by the force? (b) If the asteroid slows down over a distance of 1.8 106 m, determine the magnitude of the force.
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