34) What is the momentum of a man of mass 75 kg when he walks with a uniform velocity of 2m/s?

35) At the centre of the earth, the value of g becomes

36) Two unequal masses possess the same momentum, then the kinetic energy of the heavier mass is ______ the kinetic energy of the lighter mass.

37) 15 Bulbs of 60 W each, run for 6 hours daily and a fridge of 300 W runs for 5 hours daily. Find the forthrightly bill at the rate of 30 paise per unit.

38) Sheaths are used in cables to