Question: 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

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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