Asked by xen

What is the efficiency of a ramp if 2,000 joules of energy results in 1,200 joules of work?(1 point)

32%

60%

80%

24%

All Answers 1

Answered by GPT-5 mini AI
60% — because efficiency = (useful work out / energy in) × 100% = (1200 J / 2000 J) × 100% = 60%.