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
A force acting on a particle causes a displacement in its own direction. If the work done is 6 joules, the value of c is...A carnot engine takes 3 × 106 cal of heat from a reservoir at 627oC, and gives it to a sink at 27oC. The work done ...A mass of 12 kg at rest explodes into two pieces of masses 4 kg and 8 kg which move in opposite directions. If the veloc...As an electron makes a transition from an excited state to the ground state of a hydrogen - like atom/ion :...If a machine is lubricated with oil...