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1. A water wave has a frequency of 6hz and a wavelength of 3m. (a) What is the period of these waves? (B) what is

1. A water wave has a frequency of 6hz and a wavelength of 3m. (a) What is the period of these waves? (B) what is the wave velocity?

2. How much time will elapse between seeing and hearing an event that happens 400 meters from you?

3. A submarine sends a sonar signal which returns from another ship 2.25 seconds later. How far away is the other ship if the speed of sound is 1530 m/s in sea water.

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