Recent content by cal04

  1. C

    Time problem involving Mass and a Pulley?

    Homework Statement Bob and Cathy,two construction workers on the roof of a 20m highbuilding,are about to raise a keg of nails from the ground by means of a light rope which passes over a light and frictinless pulley. Bob’s mass= M1=93.1kg Cathy’s mass=M2=66.1kg The keg’s mass=M3=47.1kg...