Ordinary glasses are worn in front of the eye and usually 2.00 cm in front of the eyeball. a certain person can see distant objects well, but his near point is 50.0 cm from his eyes instead of the usual 25.0 cm . suppose that this person needs ordinary glasses what focal length lenses are needed to correct his vision ? what is their power in diopters?
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Physics, 21.06.2019 19:20, Obeilskzexal
Aferris wheel is a vertical, circular amusement ride with radius 9 m. riders sit on seats that swivel to remain horizontal. the ferris wheel rotates at a constant rate, going around once in 9 s. consider a rider whose mass is 56 kg. at the bottom of the ride, what is the perpendicular component of the rate of change of the rider's momentum? at the bottom of the ride, what is the vector force exerted by the seat on the rider?
Answers: 1
Physics, 22.06.2019 07:00, marlenemedina247
World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course? a. 12.5 m/sb. 1.33 m/sc. 1.25 m/sd. 13.3 m/s
Answers: 2
Physics, 22.06.2019 16:00, Andrebutrus
The field between two charged parallel plates is kept constant. if the two plates are brought closer together, the potential difference between the two plates either a) decrease b) does not change c) increase?
Answers: 3
Physics, 22.06.2019 17:30, Mariaisagon8446
Heterogeneous mixture with larger particles that never settle is
Answers: 2
Ordinary glasses are worn in front of the eye and usually 2.00 cm in front of the eyeball. a certain...
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