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CaHeK987 [17]
3 years ago
5

What is the frequency of a wave that has a period of vibration of 2 seconds?

Physics
1 answer:
34kurt3 years ago
7 0

Answer:

The answer is 0.5 Hz

Explanation:

Its pretty easy to get the answer. One hertz (Hz) is equal to one cycle or period per second. So, just divide the period by the number of seconds.

1 period/2 secs = 1/2 Hz or 0.5 Hz

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A car that brakes suddenly comes to a screeching halt. Is the sound energy produced in this conversion a useful form of energy?
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No, the sound produced by screeching brakes is not a useful form of energy, because it does not contribute to stopping the car.

7 0
3 years ago
A system proposed by the U.S. Navy for underwater submarine communication, called ELF (for extremely low frequency), operates wi
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Answer

Wavelength= 30*20^8/30=10^7m

Explanation:

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Velocity of light= 3*10^8m/s

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A boxer hits punching bag and gives it a change in momentum of 12 kg multiplied by m divided by s over 7.0ms what is the magnitu
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Explanation:

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Human eyes detect only a very small band of the electromagnetic spectrum. However, some animals and insects see in higher and lo
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Frogs = 280 - 580 nm (Very Low Frequency)

Explanation:

All of the above mentioned ranges are compared to that of humans.

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