Physics, 18.03.2020 18:53 vanessa8527
How is the mechanical efficiency of a machine usually expressed?
Group of answer choices
as a fraction
as a percentage
as inches or feet
as one of three classes
Answers: 2
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The mass of a bowling ball is 10 kg and the mass of a ping pong ball is 0.015 kg. if the two objects are 5 meters apart, what is the gravitational force ?
Answers: 1
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At the negative terminal of the battery the electron has electric potential energy. what happens to this energy as the electron jumps from the negative to the positive terminal?
Answers: 1
How is the mechanical efficiency of a machine usually expressed?
Group of answer choices
...
Group of answer choices
...
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