A wave with a wavelength of .050 m travels at 220 m/s. What is its frequency?

The frequency of a wave with wavelength of 0.050 m and speed of 220 m/s is 4.4 kHz.

Explanation:

Frequency is the measure of repetition of a cycle in a given time. So it is inversely proportional to the wavelength and directly proportional to the speed.

As wavelength is the measure of distance covered by the wave and speed is the rate at which the distance is covered. Frequency will be the number of times a complete cycle will be repeated in that particular time.

Here the wave speed is given as 220 m/s and wavelength is given as 0.050 m.

Then

Thus, the frequency of a wave with wavelength of 0.050 m and speed of 220 m/s is 4.4 kHz.

answer would be letter choice (a),   a ball resting on a shelf. would be another example of potential energy   >   stored energy > not moving.

a ball spinning on a finger   >   kinetic energy > moving energy

a ball rolling on the ground   >   kinetic energy   > moving energy

a   ball flying through the air   > kinetic energy   >   moving energy

hope that                                         : )

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