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A thin 2m long string with mass 3 g is stretched with a tension 90N between two ends. When it vibrates with the third harmonic the amplitude of the string at an antinode A of the standing wave on the string has an amplitude of 5 cm.
a) What is the speed of propagation of waves in the string?
b) What is the maximum transverse speed of this point A on a string?
c) What is the total power of the string vibrations?
A high tide is occurring at Charleston, South Carolina (33°N, 84°W).
If the attempted merger should fail, the company stands to lose $2 million (due to loss of public goodwill) over the next 2 years with probability 0.5 and to lose $3 million over this period with probability 0.5. Should the merger be attempted? Ex..
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Two long parallel wires are separated by 3.89 mm. The current flowing in one of the wires (wire 1) is twice that in the other wire (wire 2). If the magnitude of the force on a 1.37 m length of one of the wires is 6.13 ?N, what is the value of the cur..
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The range of human hearing extends from approximately 20 Hz to 20000 Hz. Find out the wavelengths of these extremes while speed of sound in air is equal to 348 m/s.
Water flows straight down from an open faucet. The cross sectionalarea of the faucet is 1.8x10-4 m2, and thespeed of the water is 0.85 m/s as it leaves the faucet. Ignoringair resistance, find the cross-sectional area of the water streamat a point 0...
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