Which device is using a motor?
a water heater creates heat energy from electric energy....
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In a system, when potential energy decreases, then entropy also decreases. true false
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Carbon-14 is a radioactive element that undergoes beta decay. which force is responsible for allowing carbon-14 to become stable? electromagnetic gravitational weak nuclear strong nuclear
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Acamcorder has a power rating of 20 watts. if the output voltage from its battery is 9 volts, what current does it use?
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