Most popular questions and responses by Harshid
  1. Physics

    A girl having mass of 35 KG sits on a trolley of mass 5 KG. The trolley is given an initial velocity of 4 m/s by applying a force. The trolley comes to rest after travelling a distance of 16 m. (i) How much work is done on the trolley? (ii) How much work

    asked on December 21, 2010

    Weight on earth= mg = 100 kg x 9.8 m/s² = 980 N Weight on moon = 1/6 x mg = 1/6 x 980 N = 163.33 N However mass is same anywhere in the universe.

    posted on December 25, 2010