Question

what is acceleration
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Answer 1

Answer:

Typically, prior to some process, such as transmission over cable, or recording to phonograph record or tape, the input frequency range most susceptible to noise is boosted. This is referred to as "pre-emphasis" – before the process the signal will undergo.

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Answer 2

Answer:

Acceleration, rate at which velocity changes with time, in terms of both speed and direction.

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