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lesya692 [45]
4 years ago
15

What is a time interval?

Physics
1 answer:
Natali [406]4 years ago
7 0

"Time" has no beginning, no end, and no definite length.

An interval is a piece cut out of time.
It has a beginning, an end, and a definite length.

I just made this up, but I humbly assert that it's got
everything you need to know about an interval of time.


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A tube with a cap on one end, but open at the other end, has a fundamental frequency of 130.8 Hz. The speed of sound is 343 m/s
sergey [27]

Answer:

Y = V / f      where Y equals wavelength

4 Y1 = V / f1       for a closed pipe the wavelength is 1/4 the length of the pipe

2 Y2 = V / f2   for the open pipe the wavelength is 1/2 the length of the pipe

Y1 / Y2 = 2 = f2 / f1      dividing equations

f2 = 2 f1  

the new fundamental frequency is 2 * 130.8 = 261.6

(The new wavelength is 1/2 the original wavelength so the frequency must double to produce the same speed.

8 0
3 years ago
After you perform gel electrophoresis on your pcr product, you see that one sample has a 200 bp band and the other does not. wha
motikmotik

After performing gel electrophoresis on the pcr product, you see that one sample has a 200 bp band and the other does not this shows that 200 bp band is significantly larger than the size of primer dimers unless the primers are 100 bp long, they are not visible.

Gel electrophoresis is the process used to evaluate the success of the PCR reaction.A closer examination of the suitability of agarose gel electrophoresis is done for assessing PCR product yield.

PCR is a series of chemical reactions that take place outside a living cell

Use of 2% agarose gel and 100bp marker and spreading the marker strips properly with 80-90V is done to avoid heating.

To know more about gel electrophoresis,

brainly.com/question/14440067

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4 0
2 years ago
Why do astronauts in space experience less gravitational force than they do on earth?
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Because your mom's gravitational force is as only as big as earth.
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3 years ago
Wire 1 has a resistance R1. Wire 2 is made of the same material, with length 1/2 as long and diameter 1/4. What is the resistanc
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-- reduce the length of a wire to 1/2 . . . cut the resistance in half

-- reduce the diameter to 1/4 . . . reduce the cross-section area by (1/4²) . . . increase the resistance by 16x .

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<em>-- R2 / R1  =  8</em>

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Verdich [7]
Mutualism is the correct answer
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4 years ago
Read 2 more answers
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