nathanthomlison nathanthomlison

23-11-2019
Physics

contestada

A ramp is used to load furniture onto a moving truck. The person does 1240 J of work pushing
the furniture up the ramp, and the ramp does 822 J of work. Calculate the efficiency of the
ramp.

Respuesta :

bayosanuade bayosanuade

23-11-2019

Answer: 66.29%

Explanation:

Efficiency = work output / work input x 100 %

Work output = 822J

Work input = 1240 L

E = 822/1240 x 100

E = 0.6629 x 100

E = 66.29%

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