# A jetskier is moving at 8.4 m/s in the direction in which the waves on a lake are moving. Each time he passes over a crest, he feels a bump. The bumping frequency is 1.2 Hz, and the crests are separated by 5.8 m. What is the wave speed?

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A jetskier is moving at 8.4 m/s in the direction in which the waves on a lake are moving. Each time he passes over a crest, he feels a bump. The bumping frequency is 1.2 Hz, and the crests are separated by 5.8 m. What is the wave speed?

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Step 1

The speed of the wave having bumping frequency 1.2 Hz and wavelength 5.8 m can be calculated using given steps.

Step 2

A jet skier is moving at 8.4 m/s in the direction in which the waves on a lake are moving. Thus, relative speed of the jet skier is given by

Step 3

Wavelength of the water wave is produ...

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