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Pie
3 years ago
5

Hanna tosses a ball straight up with enough speed to rermain in the air for several seconds

Physics
1 answer:
Ipatiy [6.2K]3 years ago
7 0
What a relief !  That gives her time to step out of the way, before the ball
comes crashing down in the same place where she was standing.
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3 years ago
The frequency of a wave is 200 Hz. The wavelength is 0.1 m. What is the period of the wave?
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The formula for the period of wave is: wave period is equals to 1 over the frequency.waveperiod=\frac{1}{frequency}
To get the value of period of wave you need to divide 1 by 200 Hz. However, beforehand, you have to convert 200 Hz to cycles per second. So that would be, 200 cyles per second or 200/s.
By then, you can start the computation by dividing 1 by 200/s. Since 200/s is in fractional form, you have to find its reciprocal form and multiply it to one which would give you 1 (one) second over 200. This would then lead us to the value 0.005 seconds as the wave period.

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Convert Hz to cycles per second first
200 Hz x 1/s= 200/second
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get the reciprocal form of 200/s which is s/200

then you can start the actual computation:

wave period= 1 x s divided by 200

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