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DiKsa [7]
2 years ago
9

Anybody know how I can get the answers from a Y o u t u b e video that’s an hour and 54 mins long without actually watching it?

Chemistry
1 answer:
xeze [42]2 years ago
5 0
Oh yea the little trick thing
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liam uses a machine that counts waves on a metal cable. The machine counts 25 waves in 2 seconds. what is the frequency of the w
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Frequency is defined as the number of waves per second. In this machine 25 waves pass in one second.
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During 2 seconds -25 waves
Therefore in one second - 25/2 = 12.5 waves/s.
1 wave per second has the unit Hertz (Hz)
Therefore answer is 12.5 Hz
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Explanation:

In the SI, designations of multiples and subdivision of any unit may be arrived at by combining with the name of the unit the prefixes deka, hecto, and kilo meaning, respectively, 10, 100, and 1000, and deci, centi, and milli, meaning, respectively, one-tenth, one-hundredth, and one-thousandth.

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