Question
Ronald pushes a box up an inclined plane with 35% efficiency. If 224 joules of energy went
into moving the box, how much energy did Ronald put into the inclined plane?
78.4 joules
189 joules
640 joules
145.6 joules
into moving the box, how much energy did Ronald put into the inclined plane?
78.4 joules
189 joules
640 joules
145.6 joules
Answers
Answered by
GPT 3.5
To calculate the total energy Ronald put into the inclined plane, divide the energy that went into moving the box by the efficiency.
Total energy = Energy input / Efficiency
Total energy = 224 joules / 0.35
Total energy = 640 joules
Therefore, Ronald put 640 joules of energy into the inclined plane.
The correct answer is 640 joules.
Total energy = Energy input / Efficiency
Total energy = 224 joules / 0.35
Total energy = 640 joules
Therefore, Ronald put 640 joules of energy into the inclined plane.
The correct answer is 640 joules.
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