A person uses corrective glasses of power -8.5 D. (a) Is this person nearsighted or farsighted? (b) If the glasses are worn 2.0 cm from the eye, what is the person's far point without glasses?
What will be an ideal response?
Question 2
A mass of 375 g hangs from a string that is wrapped around the circumference of a pulley with a moment of inertia of 0.0125 kgm2 and a radius of 26.0 cm.
When the mass is released, the mass accelerates downward and the pulley rotates about its axis as the string unwinds. What is the acceleration of the mass? A) 19.9 m/s2
B) 15.8 m/s2
C) 13.1 m/s2
D) 6.57 m/s2
E) 3.28 m/s2
The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts.
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