Physics, 18.09.2019 01:00 lucilita2017
2. your grandfather has enjoyed good vision for most of his 80 years. you observe him having trouble reading websites on his new ipad, squinting while he moves it towards and away from his face. you realize he might benefit from reading glasses. since you were going out anyway, you offer to pick up a pair of glasses for him at the drug store. consider that your grandfather is at his most comfortable reading posture when he is holding the ipad at a distance of 18 inches (this is the focal length). a. what visual condition is grandpa mostly suffering from, in medically-correct terminology? b. what dioptric power of reading glasses should you get for your grandfather? note that reading glasses are normally available in increments of 0.25 diopter.
Answers: 1
Physics, 21.06.2019 15:30
Iflow from a warmer object to a cooler object until both objects are the same temperature what am i?
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Physics, 22.06.2019 09:30
On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?
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Physics, 22.06.2019 18:20
Object a has a length of 3 cm, a width of 2 cm, and a height of 4 cm. object b is dropped into a graduated cylinder. it displaces 19 ml of water. the volume of object a is: a: greater than the volume of object b b: less than the volume of object b c: equal to the volume of object b
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2. your grandfather has enjoyed good vision for most of his 80 years. you observe him having trouble...
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