Find the linear density of the string
The middle C string on a piano is under a tension of 892 N. The period and wavelength of a wave on this string are 3.82 10-3 s and 1.26 m, respectively. Find the linear density of the string.
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A particle of mass 1*10-5 kg has a negative charge of -10 C. What is the magnitude and direction of the magnetic field acting upon it?
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The period and wavelength of a wave on this string are 3.82 10-3 s and 1.26 m, respectively. Find the linear density of the string.
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The sound intensity during a normal conversation is about 3.20 10-6 W/m2 at the listener's ear. Assume the sound strikes the surface of the ear perpendicularly. How much power is intercepted by the ear?
Downs Co issued $800,000 of 8% 5-yr bonds at 106, which pays interest annually. Assuming straight-line amortization, what is the total interest cost of the bonds?
Question: A satellite photographs a path on the surface of the Earth that is 1800 miles wide. Find the central angle that intercepts an arc 1800 miles on the surface of the Earth. (radius 3950 miles).
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