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Most popular questions and responses by phys101
  1. physics

    A machine part rotates at an angular speed of 0.38 rad/s; its speed is then increased to 3.46 rad/s using an angular acceleration of 0.61 rad/s2. Find the angle through which the part ro- tates before reaching this final speed. Answer in units of rad

    asked on October 21, 2011
  2. physics

    The net work done in accelerating a propeller from rest to an angular speed of 110 rad/s is 1822.5 J. What is the moment of inertia of the pro- peller? Answer in units of kg ยท m2

    asked on October 21, 2011
  3. physics

    A flywheel in the form of a heavy circular disk of diameter 0.83 m and mass 111 kg is mounted on a frictionless bearing. A motor connected to the flywheel accelerates it from rest to 1430 rev/min. a)What is the moment of inertia of the fly- wheel? Answer

    asked on October 21, 2011