Physics, 24.01.2021 23:30 renaudciera
Find the density of a substance that has a volume of 754 cm3 and a mass of 7,917 grams.
Answers: 1
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Aforce of 34.5 newtons is applied to an object at an angle of 45 ΒΊ with the horizontal. what is the force acting on the object in the horizontal direction?
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In which of the following is positive work done by a person on a suitcase
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Ais a machine that makes work easier when a single force is applied. a simple machine b compound machine c endangered machine d complex machine
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People with normal vision cannot focus their eyes underwater if they aren't wearing a face mask or goggles and there is water in contact with their eyes. in a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina.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 2.05cm in front of the eye.)
Answers: 3
Find the density of a substance that has a volume of 754 cm3 and a mass of 7,917 grams....
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