Work, Power and EnergyHard
Question
A rocket of mass 6 × 103 Kg is arranged to be released in the vertically upward direction. If the velocity of the gas coming out is 103 m/s then in order to balance the weight of the rocket how much gas per second must escape out −
Options
A. 49·75 Kg/s
B.58·86 Kg/s
C.100 Kg/s
D.117 Kg/s
More Work, Power and Energy Questions
Sample pendulums P1 and P2 have lengths l1 = 80 cm and l2 = 100 cm respectively. The bobs are of masses m1 and m2. Initi...A heavy nucleus at rest breaks into two fragments which fly off with velocities 8 : 1. The ratio of radii of the fragmen...The work done against gravity in taking 10 kg. mass at 1 m height in 1 sec. will be :-...If and displacement , then the work done is :-...A solid sphere is moving and it makes an elastic collision with another stationary sphere of half of its own radius. Aft...