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    Coulomb's Law Questions

    Using Coulomb's Law, find the force between two objects that have charges of 5 Coulombs and 7 Coulombs, respectively. They are separated by a distance of 5 meters. For the same objects, one of which has a mass of 5kg and the other has a mass of 7kg, what is the force of gravity between them if...
  2. R

    Skateboarder with a mass of 150kg

    A skateboarder with a mass of 150 kg is traveling at a final velocity of 13m/s and collides with a steel dumpster. The dumpster does not move. The skateboarder comes to a stop at 0.25 seconds. What is his rate of acceleration as he stops? How much force does he exert on the dumpster? Can...