hchdjie1907 hchdjie1907

08-03-2018
Physics

contestada

The efficiency of a ramp is 75%. if the amount of work input is 240 j, what is the amount of useful work output?

Respuesta :

asialynn0401 asialynn0401

13-03-2018

the correct answer should be 180 J

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emilyjean082003 emilyjean082003

04-02-2020

Answer:

180

Explanation:

If the work input equals 240 then we follow the equation for work output.

Work output = (work input x efficiency)/100%

Work output = (240 x 75%)/100%

Work output = 180/100%

Work output = 180

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