Recent content by Nojins

  1. Nojins

    Determining the angle for a mass to overcome friction

    Homework Statement A crane is moving two equally spaced masses to the roof. One box is 10kg and the other box is 20kg. As the plank tilts towards the 20kg box, at what angle will each box begin to slide? The coefficient of static friction is 0.4 Homework Equations Newton's second law, Fnet=ma...
  2. Nojins

    Conservation of Energy with changing masses on ice

    Homework Statement Mass 1(75kg) glides on ice at 1.8 m/s to a second stationary mass, (52 kg) How far will the pair slide after the collision if the coefficient of kinetic friction between the ice and their skates is .042? Homework Equations Conservation of energy, Kinetic Energy, Work...