A 7.80 x 10 3 kg bullet is initially moving horizontally at v, = + 630 m/s. Along comes a superhero and exerts a constant force F in the opposite direction as the bullet is displaced 4.80 x 10-2 m. As a result, the bullet comes to a stop. What is the work done by the superhero in stopping the bullet? {Consider the change in kinetic energy} 3-1,890 J O- 1,550 J 2-1,240 J O-2,370 J O-1,396 J
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