What is the change in momentum what is the impulse what is


  1. A 14 kg block is dragged 25 m by a parallel force of 24 N. If µk = 0.2, what is the resultant work, and what acceleration results?
  2. A 0.9 kg brick is held a distance of 2 m above a manhole and then dropped into it. The bottom of the manhole is 3 m below the street. What is the potential energy at each location below? (Assume U = 0 at street level.)above street, below street. change in potential energy?
  3. A 2800 kg truck traveling at 50 km/h strikes a brick wall and comes to a stop in 0.2 s What is the change in momentum?What is the impulse? What is the average force on the wall during the crash?

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Chemistry: What is the change in momentum what is the impulse what is
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