Physics, 30.01.2022 20:00 becerrarboyv9mf
Consider a small ball of radius (r) falling through a viscous liquid of viscosity with a velocity (v) derive the exact form of relation between viscous force (f) experienced by the ball. Given that F=kr^x viscosity^y v^z. Where; k is a dimensionless constant.
Answers: 3
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 21:50
Which of the following is part of the explanation or description of electromagnetic waves? (select all that apply) a. electrically charged molecules in a medium transfer their energy to nearby electrically charged molecules. b. a changing electric field causes a changing magnetic field. c. magnetic molecules in a medium transfer their energy to nearby magnetic molecules. d. a changing magnetic field causes a changing electric field.
Answers: 3
Consider a small ball of radius (r) falling through a viscous liquid of viscosity with a velocity (v...
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