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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
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Physics, 22.06.2019 23:00
Determine the force the sun exerts on an object with a mass of 80.0 kg if that object is on the earth. what is the force exerted by the moon on the same object? what is the force the earth exerts on it?
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Physics, 22.06.2019 23:30
Four 5-gram blocks of metal are sitting out in the sun and absorb the same amount of heat energy. use the following specific heat capacity data to determine which block will increase its temperature the most.
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Physics, 23.06.2019 01:30
The first law of thermodynamics is as follows: โu=q-w , which means in a system is equal to added, minus done by the system. the units for these variables are in .
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Physics, 28.01.2020 14:58
Computers and Technology, 28.01.2020 14:58
Chemistry, 28.01.2020 14:58
Chemistry, 28.01.2020 14:58
Chemistry, 28.01.2020 14:58
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Biology, 28.01.2020 14:58
Biology, 28.01.2020 14:58
Mathematics, 28.01.2020 14:58