Suppose that a wave has a period of 0.03 second. what’s its frequency?

f = 1 ⁄ T  

f = 1 ⁄ 0.03  

f = 33. 3 Hz

Explanation:

some think that theories become laws, but theories and laws have separate and distinct roles in the scientific method. a law is a description of an observed phenomenon in the natural world that hold true every time it is tested. it doesn't explain why something is true; it just states that it is true.

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answer:

amplitude is the maximum displacement or distance moved on a point of a vibrating body or wave measured from its equilibrium position.it is equal to half the length of vibration path.