Physics, 20.02.2021 14:10 alyssamaize
Ally conducts a physics experiment to determine the speed of sound in air. Using the resonance set up as shown in fig. She uses a tuning fork of frequency 388 Hz and determines the first resonating length of the air column to be 0.22 m. Determine the temperature of air in the room. (speed of sound in air at 0° C = 331m/s; it increases by 0.6 m/s for every1° C rise in temperature).
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Study the following reaction carefully. what classification should this reaction have? 4al + 3o2 2al2o3synthesisdecompositionsingle replacementdouble displacement
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Write the equation for momentum, first using symbols for the variables, then using words for the variables.
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The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.
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Ally conducts a physics experiment to determine the speed of sound in air. Using the resonance set u...
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