3 Each end of a cord with = 4.10 g/m is attached to two opposite walls. The distance between the walls is the length of the cord. A block of mass m hangs from the middle of the cord. Neglect the mass of the cord in calculating the tension. 3L 4 M + (a) Find an expression for the transverse wave speed in the cord as a function of the mass of the block. (Use the following as necessary: m. Do not include units in your answer. Assume that m is measured in kg and v is measured in m/s.) V = (b) What is the mass of the block (in kg) if the wave speed is 39.0 m/s? kg
3 Each end of a cord with = 4.10 g/m is attached to two opposite walls. The distance between the walls is the length of the cord. A block of mass m hangs from the middle of the cord. Neglect the mass of the cord in calculating the tension. 3L 4 M + (a) Find an expression for the transverse wave speed in the cord as a function of the mass of the block. (Use the following as necessary: m. Do not include units in your answer. Assume that m is measured in kg and v is measured in m/s.) V = (b) What is the mass of the block (in kg) if the wave speed is 39.0 m/s? kg
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Each end of a cord with = 4.10 g/m is attached to two opposite walls. The distance between the walls is the length of the cord. A block of mass m hangs from
4
the middle of the cord. Neglect the mass of the cord in calculating the tension.
3L
V =
m
Ⓡ
(a) Find an expression for the transverse wave speed in the cord as a function of the mass of the block. (Use the following as necessary: m. Do not include units.
in your answer. Assume that m is measured in kg and v is measured in m/s.)
(b) What is the mass of the block (in kg) if the wave speed is 39.0 m/s?
kg
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