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the velocity of waves in a ripple tank of a particular depth of water is 20 centimeters per second, and standing waves are produced with nodes spaced 2.0 centimeters apart. what is the frequency of the
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the velocity of waves in a ripple tank of a particular depth of water is 20 centimeters per second, and standing waves are produced with nodes spaced 2.0 centimeters apart. what is the frequency of the wave generator?

User Pablo Baxter
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2 Answers

5 votes

Answer:

5.0 is the answer

Step-by-step explanation:

User Henry Sou
by
7.7k points
4 votes
Velocity, v = 20 cm/s

If the nodes are space 2.0 cm, the distance between two nodes is half a wavelength.

λ / 2 = 2

λ = 2*2 = 4 λ = 4 cm.

v = fλ

f = v/λ = 20 cm/s / 4cm = 5 s⁻¹

Frequency = 5 Hz
User Jules
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8.9k points
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