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allieballey0727
16.12.2019 •
Physics
Atransverse traveling wave on a taut wire has an amplitude of 0.200 mm and a frequency of 500 hz. it travels with a speed of 196 m/s. (a) write an equation in si units of the form y 5 a sin (kx 2 vt) for this wave. (b) the mass per unit length of this wire is 4.10 g/m. find the tension in the wire.
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Ответ:
(a). The value of A, k and ω is
, 16.02 rad/m and 3141.59 rad/s.
(b). The tension in the wire is 157.5 N.
Explanation:
Given that,
Amplitude = 0.200 mm
Frequency = 500 Hz
Speed = 196 m/s
Mass per unit length = 4.10 g/m
Suppose we need to calculate the parameters A, k, and ω.
The equation given by
(a). We need to calculate the amplitude
Using formula of amplitude
We need to calculate the angular frequency
Using formula of angular frequency
We need to calculate the angular wave number
Using formula of angular wave number
Put the value into the formula
(b). We need to calculate the tension in the wire
Using formula of tension in the wire
Put the value into the formula
Hence, (a). The value of A, k and ω is
, 16.02 rad/m and 3141.59 rad/s.
(b). The tension in the wire is 157.5 N.
Ответ:
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