Question: To push a barrel up a ramp, a worker uses 3600 J of energy. At the top of the ramp, the barrel has 2300 J

To push a barrel up a ramp, a worker uses 3600 J of energy. At the top of the ramp, the barrel has 2300 J of gravitational potential energy. Calculate the efficiency of the ramp.

Question 15 options:

a) 100%

b) 33%

c) 64%

d) 25%

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