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प्रश्न
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उत्तर
1 H.P. = 0.746 kW
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संबंधित प्रश्न
Work done by a boy depends on the time in which he does work.
When does a force perform work?
Define 1 joule of energy.
How is work related to energy?
It takes 20 s for a person A of mass 50 kg to climb up the stairs, while another person B does the same in 15 s. Compare the work done.
A bullet of mass 0.5 kg slows down from a speed of 5 m s-1 to that of 3 m s-1. Calculate the change in kinetic energy of the ball.
State the law of conservation of energy.
How much work is done by the gravitational force of earth acting on a satellite moving around it in a circular path? Give reason for your answer.
What is power? How do you differentiate kilowatt from kilowatt-hour? The Jog Falls in Karnataka state are nearly 20 m high. 2000 tonnes of waterfalls from it in a minute. Calculate the equivalent power if all this energy can be utilized? (g = 10 m s–2)
