Recent content by jenduncan

  1. J

    What Is the Correct Value of q in Coulomb's Law Problem?

    The net force on a 1nC charge is 0. What is q? There are 3 forces. q is 2cm in the y direction away from a charge of 1nC. Another charge of 2nC is 4cm below q and 3cm to the right. The final charge is 4cm below q and 3cm to the left. Using Coulomb's law, I found the force of the two...
  2. J

    Rocket Acceleration Calculation

    A 1000 kg rocket is launched straight up. The rocket motor overcomes gravity to provide the rocket with a net constant acceleration upward for 16 seconds. The the motor shuts off. 4 seconds later the rocket's altitude is 5100 meters. What is the rockets acceleration during the 1st 16...
  3. J

    Calculating Rocket Acceleration from Liftoff

    A rocket is launched straight up with constant acceleration. 4 seconds after liftoff, a bolt falls off the side of the rocket. The bolt hits the ground 6.10s later. What was the rocket's acceleration? rocket: xfinal = 1/2a^2 x 4s^2 bolt: vfinal = 0+ -9.9 m/s^2 * 2.1s given this vfinal...
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