Physics, 27.06.2019 18:00 zmoore8015
Which simple machine is the lid of a jar? a lever a screw an inclined plane a wheel and axle
Answers: 1
Physics, 21.06.2019 13:40, tanoah7623
Niobium forms a substitutional solid solution with vanadium. compute the number of niobium atoms per cubic centimeter for a niobium-vanadium alloy that contains 24 wt% nb and 76 wt% v. the densities of pure niobium and vanadium are 8.57 and 6.10 g/cm3, respectively
Answers: 1
Physics, 22.06.2019 04:00, louiecampos
Determine the maximum r-value of the polar equation r =3+3 cos 0
Answers: 1
Physics, 22.06.2019 21:20, payshencec21
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
Which simple machine is the lid of a jar? a lever a screw an inclined plane a wheel and axle...
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