Related Questions

  1. An explosion blows a rock into three parts. Two parts go off at right angles to each other
  2. A car is moving with uniform acceleration. It covers 200 m in 2 sec and 220 m
  3. A proton of mass 1.6×10⁻²⁷ kg goes round in a circular orbit of radius 0.10 m under
  4. The half life of radium is 1620 yr and its atomic weight is 226 kg per kilo mol.
  5. A body of mass 3 kg acted upon by a constant force is displaced by S meter