Joeline

Most popular questions and responses by Joeline
  1. Physics

    Three objects are connected on an inclined table as shown in the diagram below. The objects have masses 8.0 kg, 4.0 kg and 2.0 kg as shown, and the pulleys are frictionless. The tabletop is rough, with a coefficient of kinetic friction of 0.47, and makes

    asked on May 18, 2013
  2. Physics !!!!! HELP PLEASE

    A hand gun fires a 12.0 g bullet at a speed of 400 m/s. What is its kinetic energy? At what speed must a motorcycle of mass 173 kg move to have the same kinetic energy as the bullet? Express your answer in km/h.

    asked on May 22, 2013
  3. Physics HELPPP PLEASEEE

    A 2.0 kg ball moving with a speed of 3.0 m/!@#$%^&s, elastically, an identical stationary ball as shown. If the first ball moves away with angle 30° to the original path, determine the speed of the first ball after the collision. the speed and direction

    asked on May 27, 2013
  4. Physics HELPPP PLEASEEE

    A 0.60 kg sphere rotates around a vertical shaft supported by two strings, as shown. If the tension in the upper string is 18 N. Calculate the tension in the lower string? the rotation rate (in rev/min) of the system?

    asked on May 19, 2013
  1. Physics

    Three objects are connected on an inclined table as shown in the diagram below. The objects have masses 8.0 kg, 4.0 kg and 2.0 kg as shown, and the pulleys are frictionless. The tabletop is rough, with a coefficient of kinetic friction of 0.47, and makes

    posted on May 19, 2013