Answer:
A time period is denoted by 'T' . It is the time to complete one cycle of vibration. As the frequency of a wave increases, the time period of the wave decreases. The unit for time period is 'seconds
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Answer: A.
Explanation:
What is C - when your front bumper is even with the front vehicles back bumper.
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if we ever ride a airplane we dont mess up its signals and crash ,and its easier to ignore calls and texts
compound I believe number 1
c