Work, Power and EnergyHard
Question
A Carnot engine works first between 200oC and 0oC and then between 0oC and -200oC. The ratio of its efficiency in these two cases is :
Options
A.1.0
B.0.721
C.0.577
D.0.34
= 0.577More Work, Power and Energy Questions
A block of mass 10 kg is moving in x-direction with a constant speed of 10m/sec it is subjected to a retarding force F= ...A 10 kg satellite completes one revolution around the earth at a height of 100 km in 108 minutes. The work done by the g...A bullet of mass 10g leaves a riffle at an initial velocity of 1000m/sec and strikes the earth at the same level with a ...n bullet strikes per second elastically on wall and rebound then what will be the force exerted on the wall by bullets i...A ball is dropped from height h on the ground level. If the coefficient of restitution is e then the height upto which t...