Physics, 07.10.2019 17:30 ComicSans01
Which of the following is true about high-energy mechanical devices? a. they usually need to be kept warm in order to preserve mechanical energy
b. they usually need to be cooled to dissipate thermal energy build- up and prevent damage. c. they usually convent radiant energy into electrical energy
d. during an energy conversion none of the energy is transferred as thermal energy because the devices are free of friction
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Iwill give 30 points to whoever answers ! what is the formula for actual mechanical advantage and ideal mechanical advantage?
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Avector of magnitude 2 cannot be added to a vector of magnitude 3 so that the magnitude of the resultant is a. zero b. 1 c. 3 d. 5 e. 7
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Acorporation gives out its profits as dividends paid to whom?
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Which of the following is true about high-energy mechanical devices? a. they usually need to be kep...
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