Physics, 13.12.2019 19:31 sairaanwar67
Your aunt just turned 50 and now needs glasses to read.
(a) what is the name of this condition? ("–opia")
(b) does your aunt need converging lenses or diverging lenses?
(c) your aunt goes to the store and buys glasses which say +0.75 (meaning, +0.75 d). what is the focal length of these glasses?
(d) assuming these glasses (from part c) bring your aunt’s near point to 25 cm, what is her near point without corrective lenses?
Answers: 3
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The space between two 15-in.-long concentric cylinders is filled with glycerin (viscosity = 8.5 × 10-3 lb·s/ft2). the inner cylinder has a radius of 1 in. and the gap width between cylinders is 0.1 in. determine (a) the torque and (b) the power required to rotate the inner cylinder at 180 rev/min. the outer cylinder is fixed. assume the velocity distribution in the gap to be linear.
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Your aunt just turned 50 and now needs glasses to read.
(a) what is the name of this co...
(a) what is the name of this co...
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