Recent content by anirzehc

  1. A

    Newton's law of universal gravitation

    omg i just noticed 12 km is 12000 m not 1200 thanks
  2. A

    Newton's law of universal gravitation

    Homework Statement [/B] Two 100-kg thrill seekers are diving into a neutron star. The neutron star’s mass is 1.1 solar masses and its radius is 12.0 km. For safety, they tie themselves together with a cord 10m long, so that as Melvin reaches the surface of the neutron star, Fred is 10.0 m...
  3. A

    Torque: Why does tension = Friction

    Homework Statement A 10.0 kg sphere is attached to the incline by a horizontal string. Whats the tension in the string. Homework Equations sum of all horizontal forces = 0 sum of all vertical forces = 0 sum of all torques = 0 The Attempt at a Solution The sum of the horizontal forces[/B] is...