zoesill6 zoesill6
  • 22-02-2017
  • Physics
contestada

A mechanical device requires 500j of work to do 200j of work in lifting a box. What is the efficiency of the device?

Respuesta :

roytucker
roytucker roytucker
  • 22-02-2017
40% the formula is work output/work input*100 so
200/500=.4*100=40
Answer Link

Otras preguntas

The higher interest rate of a cash advance on a credit card with an existing balance can be eliminated by paying the cash advance back within four weeks.t or f
Einstein's equation implies that a large amount of mass can be converted into a small amount of energy. TRUE FALSE
Ellie was still working on her dollhouse. She has boards that are two different lengths. One long board is 54 inches. The length of the short board is unknown.
If the square has the same perimeter as the rectangle, find the area of the square.
Please help me with my question
Why is klipspringer unable to refuse gatsby’s request that he play the piano?
What is a msds user: what is a msds user: how old am i?
A person who steals something
A school dress code policy would most likely to appeal who
Find a positive and negative connotation for the denotation below: to ask of someone