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slamgirl [31]
3 years ago
6

Plans used for work that has to do with construction in or around earth are called

Physics
1 answer:
attashe74 [19]3 years ago
7 0
Plans used for work that has to do with construction in or around Earth are called, “Civil Plans.”

Hope this helped!

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A. Calculate the diffraction limit of the human eye, assuming a wide-open pupil so that your eye acts like a lens with diameter
myrzilka [38]

A. The Dawes limit tells us that the resolving power is equal to 11.6 / d, where d is the diameter of the eye’s pupil in units of centimeters. The eye's pupil can dialate to approximately 7 mm, or 0.7 cm. So 11.6 / .7 = 16.5 arc seconds, or about a quarter arc minute ~ 17 arc seconds<span>

Although, the standard answer for what people can really see is about 1 arc minute. 

</span>

<span>
B. It is considered as linear, so given a 10 meter telescope (10,000 mm): </span>

10000 / 7 = 1428 times better for the 10 meter scope ~ 1400 times better (in 2 significant figures)

<span>

<span>C. For a 7 cm interferometer, that is just similar to a 7 cm scope. Therefore we would expect </span></span>

<span><span>11.6 / 7 = 1.65 arc seconds ~ 1.7 arc seconds</span></span>

<span><span>T</span></span>his value is what we typically can get from a 7 cm scope. 

6 0
3 years ago
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With what tension must a rope with length 2.20 m and mass 0.150 kg be stretched for transverse waves of frequency 43.0 hz to hav
Blababa [14]

Solution:

v=sqrt(\frac{t}{u})\\v=40\times0.80=32m/s\\\frac{t}{u}=900\\t=900\times\frac{0.150}{2.20}\\=61.36N


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3 years ago
I WILL MARK BRAINIEST
ch4aika [34]

Answer:

i think answer b

Explanation:

8 0
2 years ago
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If a current­-carrying wire has a cross­-sectional area that gradually becomes smaller along the length of the wire, the drift v
jarptica [38.1K]

Answer:d

Explanation:

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v_d=\frac{I}{n\times Q\times A}

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If area of cross-section decreases gradually then drift velocity will increase because drift velocity is inversely proportional to Area of cross-section

       

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3 years ago
A basketball referee tosses the ball straight up for the starting tipoff. at what velocity must a basketball player leave the gr
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Mgh=mv²/2

v=√2gh=√2·9.8·1.25=4.95m/s
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3 years ago
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