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Alenkasestr [34]
3 years ago
14

A harmonic wave is traveling along a rope. It is observed that the oscillator that generates the wave completes 37.0 vibrations

in 33.0 s. Also, a given maximum travels 421 cm along the rope in 8.0 s. What is the wavelength?
Physics
2 answers:
Goryan [66]3 years ago
8 0

Answer:

0.47 m

Explanation:

N = Number of vibrations = 37

t = total time taken = 33 s

T = time period of each vibration

frequency of vibration is given as

f = \frac{N}{t} \\f = \frac{37}{33} \\f = 1.12 Hz

d = distance traveled along the rope = 421 cm = 4.21 m

t = time taken to travel the distance = 8 s

v = speed of the wave

Speed of the wave is given as

v = \frac{d}{t}\\v = \frac{4.21}{8}\\v = 0.53 ms^{-1}

\lambda = wavelength of the harmonic wave

wavelength of the harmonic wave is given as

\lambda = \frac{v}{f} \\\lambda = \frac{0.53}{1.12} \\\lambda = 0.47 m

user100 [1]3 years ago
6 0

Answer:

0.472 m

Explanation:

f = cycles/ second = 33 / 37 = 0.892 Hz

Vmean = Δx / Δt = 4.21m / 8s = 0.526

Vwave = λ x f

⇒ λ = f / Vwave = 0.526 / 0.892 = 0.472 m

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3 years ago
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A merry-go-round is shaped like a uniform disk and has moment of inertia of 50,000 kg m 2 . It is rotating so that it has an ang
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Answer:

r = 20 m

Explanation:

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