Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A sailor in a boat, which is going due east with a speed of 8m/s observes that a submarine is heading towards north at a speed of 12m/s and sinking at a rate of 2m/s.The commander of submarine observes a helicopter ascending at a rate of 5m/s and heading towards west with 4m/s.Find the speed of the helicopter with respect to boat.

A sailor in a boat, which is going due east with a speed of 8m/s observes that a submarine is heading towards north at a speed of 12m/s and sinking at a rate of 2m/s.The commander of submarine observes a helicopter ascending at a rate of 5m/s and heading towards west with 4m/s.Find the speed of the helicopter with respect to boat.

A beam of electrons passes undeflected through mutually perpendicular electric and magnetic fields. If the electric field is switched off A sailor in a boat and the same magnetic field is maintained the electrons move