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

A number cube is rolled 24 times and lands on 2 four times and on 6 three time. Find the experimental probability of not landing on a 6
a soccer team played 160 games and won 65% of them. how many did they win?
Why were the 1920's considered the best and worst of times?
What is the main religion of Latin america
sam cut a pie into equal parts.There are 3 slices left.The angle measures for 3 slices is 72.how many slices did he cut?
What sorts of signals does the brain use to communicate sensations, thoughts and actions?
1.    How does the friction affect forward motion? Give an example. 2.    Describe two ways to change the frictional force between two solids surfaces. Change t
Why did president Washington want the United States to remain neutral
True or False along a divergent boundary, two plates slip past each other,moving in opposite directions.
a soccer team played 160 games and won 65% of them. how many did they win?