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Physics, 23.08.2019 19:40, angelica3752
1) why do the different rocks exposed in the grand canyon appear in layers for the most part? where are the oldest layers of rock found? where are the youngest rocks found?
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1) what is the power in horsepower of a 100 watt light bulb? what is the power in kilowatts of a 200 horsepower engine? 2) if a cars engine is providing 3000 n of force to keep the car moving at 5 m/s, what is the engine’s effective power? 3) how many gallons of water will be pumped from a well 30 feet deep by a 1/2 hp engine in 1 minute? (1 gallon weighs 8.34 pounds)
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1) why do the different rocks exposed in the grand canyon appear in layers for the most part? where...
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