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Physics, 22.06.2019 11:30
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
Physics, 22.06.2019 13:30
6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.
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Physics, 22.06.2019 22:00
Agirl throws a ball. if the ball's acceleration is 12 m/sec/sec and its mass is 0.5 kg, how much force did the girl apply to the ball?
Answers: 1
Physics, 22.06.2019 22:30
Asailboat is traveling to the right when a gust of wind causes the boat to accelerate leftward at 2.5m/s2 for 4s. after the wind stops, the sailboat is traveling to the left with a velocity of 3.0m/s.assuming the acceleration from the wind is constant, what was the initial velocity of the sailboat before the gust of wind? answer using a coordinate system where rightward is positive.
Answers: 1
English, 02.02.2021 18:50
English, 02.02.2021 18:50
Mathematics, 02.02.2021 18:50
Mathematics, 02.02.2021 18:50
Chemistry, 02.02.2021 18:50
English, 02.02.2021 18:50
Mathematics, 02.02.2021 18:50
Mathematics, 02.02.2021 18:50
Social Studies, 02.02.2021 18:50
Mathematics, 02.02.2021 18:50
English, 02.02.2021 18:50
Mathematics, 02.02.2021 18:50
Mathematics, 02.02.2021 18:50