Physics, 25.01.2021 19:40 ginnysharp6411
Producing electricity in power stations is not very efficient.
in power station a, 800 joules of energy from coal produce 300 joules of electrical energy.
calculate the efficiency of this power station.
Answers: 3
Physics, 21.06.2019 13:00
The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656 nm(red) and 486 nm (blue). light from a hydrogen lamp illuminates a diffraction grating with 520lines/mm , and the light is observed on a screen 1.5m behind the grating. part a what is the distance between the first-order red and blue fringes? express your answer to two significant figures and include the appropriate units.
Answers: 1
Physics, 22.06.2019 09:00
A100 kg running back runs at 5m/s into a stationary linebacker. it takes 0.5 for the running back to be completely stopped
Answers: 3
Physics, 22.06.2019 11:50
Select all that applywhat are some basic resources a family is expected to provide for children? educationclothesspending
Answers: 2
Producing electricity in power stations is not very efficient.
in power station a, 800 joules of en...
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