Related Questions

  1. A boat of mass 40 kg is at rest.A dog of mass 4 kg moves in the boat
  2. Two closed organ pipes when sounded simultaneously give 4 beats/second.
  3. Two positive ions, each carrying a charge q, are separated by a distance d
  4. A step down transformer is used on a 1000 V line to deliver 20 A at 120 V
  5. If, an electron in hydrogen atom jumps from an orbit of level n=3 to an orbit