mbhtkn4508 mbhtkn4508
  • 02-10-2017
  • Physics
contestada

When the useful energy output of a simple machine is 100 j, and the total energy input is 200 j, the efficiency is _______?

Respuesta :

Mstief Mstief
  • 03-10-2017
the energy doubled, so (200J/100J)100=200%
Answer Link

Otras preguntas

What expression represents the volume of the prism, in cubic units? one-halfx3 one-halfx2 x 2x3 2x2 x
find a number which decreased by 21 equals twice the opposite of the number
i need help this is effecting my grade please help it would make my day
Please help, need for hw and cant find the fourth degreee
Consider light energy that is momentarily absorbed in glass and then re-emitted. Compared to the absorbed light, the frequency of the re-emitted light is?
can someone pls explain how to do this
Use 3.14 for pi. ROUND YOUR FINAL ANSWER TO THE NEAREST TENTHS PLACE!
need help with number 9 pls​
The picture has both the graph and the answer choices plesse help​
I need help please anyone can help me??): thank you!!(: