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A 10 kg box initially at rest moves along a frictionless horizontal surface. A horizontal force to the right is applied to the box. A student calculates the impulse applied by force during the 2 seconds is 4 N. s. and that the impulse applied during the following 3 seconds is 6 Nâs.
Required:
a. What, if anything, is wrong with these calculations? If something is wrong, identify it and explain how to correct it. If these calculations are correct, explain why?
b. What is the difference between a perfectly elastic and an inelastic collision?
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Answers: 1
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