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1. A tuning fork has a frequency of 280 hertz, and the wavelength of the sound produced is 1.5 meters. Calculate the velocity of the wave.
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2. A wave is moving toward shore with a velocity of 5.0 m/s. If its frequency is 2.5 hertz, what is the wavelength?
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3. A jump rope is shaken producing a wave with a wavelength of 0.5 m. with the crest of the wave passing a certain point 7 times per second. What is the velocity of the wave?
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4. The lowest pitch that the average human can hear has a frequency of 20.0 Hz. If sound with this frequency travels through air with a speed of 331 m/s, what is its wavelength?
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5. A microwave has a frequency of 4,255 Hz. and a wavelength of 0.05 m. What is the microwave’s velocity?
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6. A sound wave travels with a velocity of 460 m/s and has a frequency of 820 Hz. What is its wavelength?
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7. A wave at sea travels with a velocity of 32 m/s. If it has a wavelength of 8 m. what is its frequency?
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8. What is the frequency of a wave that has a velocity of 21.3 m/s and a wavelength of 7.8 m?
- Answer:

Sagot :

velocity = frequency x wavelength. 1) v = 280 x 1.5 = 420m/s 2) w = v / f = 5 / 2.5 = 2m 
Lanuel

Based on the calculation, the velocity of this wave is equal to 420 m/s.

Given the following data:

  • Frequency of turning fork = 280 hertz.
  • Wavelength of sound produced = 1.5 meters.

How to calculate the velocity of a wave?

Mathematically, the velocity of a wave is calculated by using this formula:

V = λF

Where:

  • F is the frequency of a wave.
  • V is the velocity of a wave.
  • λ is the wavelength of a wave.

Substituting the given parameters into the formula, we have;

V = 1.5 × 280

V = 420 m/s.

Note: You should use the above formula to solve the other questions.

Read more on frequency here: https://brainly.com/question/19250621

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