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You use an inclined plane to move furniture into a truck. You perform 105 kJ of work, but only do 88 kJ of useful work. What is the efficiency of the inclined plane?

You use an inclined plane to move furniture into a truck. You perform 105 kJ of work, but only do 88 kJ of useful work. What is the efficiency of the inclined plane?
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5 votes
You use an inclined plane to move furniture into a truck. You perform 105 kJ of work, but only do 88 kJ of useful work. What is the efficiency of the inclined plane?

asked
User TheWandererLee
by
8.0k points

2 Answers

5 votes

Answer:

83.8 %

Step-by-step explanation:

answered
User Activity
by
8.2k points
1 vote
efficiency= useful work / consumed energy

88/105= 84%
answered
User Iulia Barbu
by
9.1k points
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