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Physics, 02.02.2021 08:20, send2tejas
The echo of a ship's foghorn, reflected from an iceberg, is heard 4.0 seconds after the horn was sounded. The temperature is -5 °C. How many meters away is the iceberg?
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Physics, 21.06.2019 19:00, paatnguyyen
Adelivery truck leaves a warehouse and travels 2.60 km north. the truck makes a left turn and travels 1.25 km west before making another right turn to travel 1.40 km north to arrive at its destination. what is the magnitude and direction of the truck's displacement from the warehouse?
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Physics, 22.06.2019 11:30, alexandroperez13
With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90
Answers: 1
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The echo of a ship's foghorn, reflected from an iceberg, is heard 4.0 seconds after the horn was sou...
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