AngelicSmite
Answered

If four wave crests pass a pole each second:

  1. What is the speed of the wave?
  2. What is it's period?

Verified Answer :

MissPhiladelphia
  1. The speed of the wave can be calculated using the formula:
    s = number of waves / time
    s = 4 waves / 1 s
    s = 4 waves / s

    2. The period is simply the reciprocal of the speed of the wave or:
    P = time / number of waves
    P = 1 s / 4 waves
    P = 0.24 s/waves

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