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worty [1.4K]
4 years ago
15

Waves are observed passing under a dock. Wave crests are 8.0 meters apart. The time for a complete wave to pass by

Physics
1 answer:
lara31 [8.8K]4 years ago
3 0

Answer:

Option D

2 m/s

Explanation:

The speed is given by distance/time

The complete wave has a distance of 8 m (This is the wavelength)

Time taken for complete wave is 4 s

Therefore, velocity= 8 m/ 4 s= 2 m/s

The amplitude is the distance between crest and trough hence 9 m- 6 m= 3 m

Frequency is 1/period and in this case period is 4 s hence frequency= 1/4= 0.25 Hz

Essentially, what we wanted is velocity

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In order to decrease the required centripetal acceleration for a car driving around a turn, the driver could
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Find the number of electrons in the subshell with azimuthal quantum number l=2
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Orsted found that the needle of a compass could be redirected if placed near a wire carrying current. This illustrated a fundame
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Answer:

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3 years ago
An object that completes 100 vibrations in 5 seconds has a period of
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<h2>Answer: None of the above choices are correct.</h2>

Explanation:

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f=\frac{100vibrations}{5s} (1)

The frequency  f is defined as the inverse of the period T (time):

f=\frac{1}{T} (2)

Therefore the Period is:

T=\frac{1}{f} (3)

Now, if we want to find the period we have to substitute equation (1)  in equation (3):

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None of the above choices are correct.

6 0
3 years ago
Read 2 more answers
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