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Q. A car takes 11 s to go from v = 0 to v = 80 m/s at approximately constant acceleration. If you wish to find the distance traveled using the equation d = 1/2 at2, what value should you use for a?

Q. A 35 g bullet moving at 475m/s strikes a 2.5kg bag of flour that is on ice , at rest . the bults passes through the bag and exits it at 275m/s . how fast is the bag moving when the bults exits?

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