Which describes the transformation of chemical energy into mechanical energy and why? a a light switch is turned on; because chemical energy is converted b a car engine burns gasoline; because chemical energy is converted c a windmill blows in the wind; because mechanical energy is created d a solar panel absorbs sunlight; because mechanical energy is created
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Suppose while hauling rocks, you accidentally drop one. it breaks apart in flat, planar sections. what type of rock did you just drop? 20 points
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Three resistors are connected in series across a 15-v power supply. if the potential drops across resistors 1 and 2 are 4.1 volts and 3.1 volts, what is the exact potential drop (in volts) across resistor 3?
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Which of the following is not an appropriate unit for acceleration? (kg/12 mihr? m/min/sec cm/30c?
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Which describes the transformation of chemical energy into mechanical energy and why? a a light sw...
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