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Physics, 07.10.2021 23:20 stephanieyingepbtcf8
How much work is done by a machine who's efficiency is 50% if I had to put 10,000J of energy inside of it?
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Physics, 22.06.2019 12:30, olsen6932
As part of your daily workout, you lie on your back and push with your feet against a platform attached to two stiff springs arranged side by side so that they are parallel to each other. when you push the platform, you compress the springs. you do an amount of work of 79.0 j when you compress the springs a distance of 0.230 m from their uncompressed length. (a) what magnitude of force must you apply to hold the platform in this position? (b)how much additional work must you do to move the platform a distance 0.230 m farther? (c) what maximum force must you apply to move the platform a distance 0.230 m farther?
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How much work is done by a machine who's efficiency is 50% if I had to put 10,000J of energy inside...
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