MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Power

nbsp;the powe...

Question

the power output of an engine is 3kW.how much work does the engine do in 20s?

Open in App

Solution

Work done by the engine = PowerÃ—time
= 3Ã—1000Ã—20
= 6Ã—10⁴ J

Suggest Corrections

thumbs-up

1

Similar questions

Q. A heat engine is

20

% efficient. If the engine does

500 J

of work every second, how much heat does the engine exhaust every second?

Q. A heat engine takes in

700 J

of heat from high-temperaturere reservoir and rejects

500 J

of heat to a lower temperature reservoir. How much work does the engine do in each cycle?

Q. A real heat engine has an efficiency of

40 %

. The work output of the engine is

100 kJ

per cycle. How much energy is extracted from the high temperature reservoir per cycle ?

Q. A real heat engine has an efficiency of

40 %

. The work output of the engine is

100 kJ

per cycle. How much energy is extracted from the high temperature reservoir per cycle ?

Q. An engine operates on the reversible cycles as shown in the figure. The work output from the engine (in kJ/cycle) is (correct to two decimal places).

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Power

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard IX Physics

Join BYJU'S Learning Program

CrossIcon