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3 years ago

8

The diagram shows the Earth rotating on it's axis. The two star symbols show different locations on the surface... What would th

e sky look like to a person standing at point Y? *
Sunrise
Middle of the day (noon)
Sunset
Middle of the night (midnight)

2 answers:

rewona [7]3 years ago

8 0

It would look like Sunset

taurus [48]3 years ago

7 0

It would be mid-day (noon)

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Suppose that 2 scientists use different measurement systems in their work. What problems might arise if they shared their data?

bixtya [17]

<span>In assumption that there were two scientists who used different measurement systems in their research. The problems that might arise if they shared their data is obviously and primarily error. Errors are recognized and one element in every measure, system and quantity. Error was already even present in the measurement system alone a scientist used and it will furthermore aggregate, when these two different scales are combined the more error escalates in the process. There are two types: random and systematic error. </span>

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4 years ago

Review 1: A plane is located x = 40 miles (horizontally) away from an airport at an altitude of h miles. Radar at the airport de

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Explanation:

Let h is the height of the plane above ground. x is the horizontal distance between the ground and the airport. Let s(t) is the distance between the plane and the airport. So,

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Differentiate equation (1) wrt t

$2s(t)s'(t)=2x(t)x'(t)$

$x'(t)=\dfrac{s(t)s'(t)}{x(t)}$

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$x'(t)=\dfrac{-240s(t)}{x(t)}$

$x'(t)=\dfrac{-240\times 40.19}{40}$

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So, the speed of the airplane is 241.14 m/s. Hence, this is the required solution.

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4 years ago

Approximately how many kelvins are equal to 60°f? <br> a. 333 <br> b. 323 <br> c. 413 <br> d. 289

Afina-wow [57]

D. 289
Take the formula:
K=5/9(Fahrenheit-32)+273
Plug in Fahrenheit
K=5/9 (60-32)+273
From here it is simple math and you can plug it into your calculator getting 288.5555556 and round to 289

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