A1056-hertz tuning fork is sounded at the same time a piano note is struck. you hear three beats per second. what is the frequency of the piano string? a 1056-hertz tuning fork is sounded at the same time a piano note is struck. you hear three beats per second. what is the frequency of the piano string? a.1059 hertz b.1053 hertz c.1056 hertz d.3168 hertz e. need more information
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Use the empirical rule. the mean speed of a sample of vehicles along a stretch of highway is 70 miles per hour, with a standard deviation of 4 miles per hour. estimate the percent of vehicles whose speeds are between 66 miles per hour and 74 miles per hour. (assume the data set has a bell-shaped distribution.)
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Arod of some material 0.20 m long elongates 0.20 mm on heating from 21 to 120°c. determine the value of the linear coefficient of thermal expansion [in (degrees c)^-1] for this material.
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Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)
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How much hereditary information is contain in a human sex cell
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A1056-hertz tuning fork is sounded at the same time a piano note is struck. you hear three beats per...
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