Recent content by colmes

  1. C

    Speed of proton and alpha particle

    Homework Statement An alpha particle (4 times the mass of a proton with a charge of +2e) is at rest 1.0 * 10^-12 m from a stationary proton. The 2 particles immediately move apart. Find the speed of each particle when they are infinitely far from each other. Homework Equations...
  2. C

    Three charges q, uniform circular motion

    Homework Statement Two spheres have a charge of q a stationary sphere between them has a charge of -q. The 2 positive spheres move like conical pendulums at a constant velocity of 12.0m/s in uniform circular motion. What is the magnitude of charge q? Homework Equations Electric Force...
  3. C

    Collision between two masses with spring

    Homework Statement Mass 1 weighs 10kg and has a velocity of 5m/s [E], Mass 2 weighs 5 kg and has a velocity of 8m/s[W]. Additionally, mass 2 has a spring attached to it with k = 2000N/m. The two masses collide head-on in a perfectly elastic collision. What is the compression of the spring and...
  4. C

    Solving for Final Velocities and Min Length of m2

    Homework Statement (Diagram of problem is given in attachment) m2 is stationary The coefficient of kinetic friction on m2 is 0.2 while the ground below m2 has a coefficient of friction of 0. a) Find the final velocity of both objects if m1 moves at the same v as m2 b)Find the minimum length...
Back
Top