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kifflom [539]
3 years ago
10

Which one of the following statements does not accurately describe vibrations?

Physics
1 answer:
Paladinen [302]3 years ago
4 0
A. Forced vibrations, such as those between a tuning fork and a large cabinet surface, result in a much lower sound than was produced by the original vibrating body.
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14. Which of the following is not an example of work being done?
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Answer:

B. holding a coffee mug

Explanation:

Something must move a distance for work to be done.

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In general, how do you find the average velocity of any object falling in a vacuum?
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In general, how do you find the average velocity of any object falling in a vacuum? (Assume you know the final velocity.) Multiply the final velocity by final time. 3. Calculate : Distance, average velocity, and time are related by the equation, d = v • t A
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A proton is released from rest at the positive plate of a parallelplatecapacitor. It crosses the capacitor and reaches the negat
Triss [41]

Answer:

2.1406 ×10^6 m/sec

Explanation:

we know that energy is always conserved

so from the law of energy conservation

qV=\frac{1}{2}mv^2

here V is the potential difference  

we know that mass of proton = 1.67×10^{-27} kg

we have given speed =50000m/sec

so potential difference V=\frac{\frac{1}{2}\times 1.67\times 10^{-27}50000^2}{1.6\times 10^{-19}}=13.045

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so for electron

\frac{1}{2}\times 9.11\times 10^{-31}v^2=1.6\times 10^{-19}\times 13.045=2.1406\times 10^6 m/sec

so the velocity of electron will be 2.1406×10^6 m/sec

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3 years ago
What is the the steadiest firing position?
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The closer you are to the ground the more accurate you'll be.  That's why most snipers are in the "prone" position. 
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Which of the following is located in the stratosphere? (10 points) Weather, The ozone layer, UV rays, Birds.
sergij07 [2.7K]
The O Zone Layer
Hope I am right
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