A piano string is under a tension of T = 989 N. When struck the wave has a period of t = 0.75 ms and a wavelength of λ = 0.84 m.
A piano string is under a tension of T = 989 N. When struck the wave has a period of t = 0.75 ms and a wavelength of λ = 0.84 m.
Part (a) What is the linear density of the string, in kilograms per meter?
Part (b) If the piano's soundboard is L= 1.0 m long, how much does the string weigh, in newtons?
Homework Answers
B)
Mass, m = uL
m = 7.88 x 10^-4 x 1 = 7.88 x 10^-4 kg
Weight, W = mg
W = 7.88 x 10^-4 x 9.8 = 7.73 x 10^-3 N
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A piano string is under a tension of T = 989 N. When struck the wave has a period of t = 0.75 ms and a wavelength of λ = 0.84 m.
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