science
posted by mary .
A bird sits on a pole and watches waves. The wave crests are 1.0 meter apart. If one wave crest passes the pole each second, what is the speed of the wave? .
What is the period of the wave? .
What is the frequency of the wave? .
If the waves change so that the distance between crests was 1.5 meters, and one wave crest passes the pole each second, what is the speed of the wave? .
What is the new period of the wave? .
What is the new frequency of the wave? .

The formula for frequency is: frequency = 1 / T, where T = Period. That is e.g. "cycles per second".
The formula for time is: T (Period) = 1 / frequency.
Note: T = Period and t = Time 
You have six waves passing and the distance between each wave is 12m. So, 5 x 12= 60m.
Therefore, the speed is 60 m/s
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