Physics, 17.03.2021 23:50 solikhalifeoy3j1r
the speedof light is 3000000000 and the speed of sound in air is 340.an observer is 5000m away from a lighting discharge calculate the time to the observer of light from the lighting and sound from thunder
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In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?
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Three resistors are connected in series across a 15-v power supply. if the potential drops across resistors 1 and 2 are 4.1 volts and 3.1 volts, what is the exact potential drop (in volts) across resistor 3?
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the speedof light is 3000000000 and the speed of sound in air is 340.an observer is 5000m away from...
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