Physics, 29.06.2019 23:40 jkw1222p0ttvq
Optometrists use a linear scale of lens power, measured in diopters, to prescribe corrective lenses. lens power is given by the equation p= wherefis the lens focal length in meters. sufferers of myopia, or nearsightedness, have difficulty resolving distant objects because the lenses in their eyes are too strong. if a myopic person has a prescription of-5 diopters, what image do her corrective lenses create for distant objects? o a. an upright, real image about 20 cm in front of her eyes o b. an upright, virtual image about 20 cm in front of her eyes o c. an inverted, real image about 20 cm behind her eyes d. an inverted, virtual image 5 m behind her eyes
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Physics, 22.06.2019 11:00
1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?
Answers: 1
Physics, 22.06.2019 12:00
Suppose a wire with a current is pushed upward by a magnetic field. how would the wire move if the direction of the current reversed? explain your answer.
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Physics, 22.06.2019 14:00
Ascientific blank must be testable and capable of being proven false?
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Optometrists use a linear scale of lens power, measured in diopters, to prescribe corrective lenses....
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