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3 years ago

6

Question 2 of 5 Instructions:Select the correct answer. What do scientists use to determine the temperature of a star? thermomet

er distance from Earth composition color NextReset

2 answers:

Lena [83]3 years ago

4 0

Scientists use the color of a star to determine its temperature.
PreviousReset C:\format dir\..<span />

Darya [45]3 years ago

4 0

Answer:

Color

Explanation:

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A car accelerates from rest at a constant rate of 1.6

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Answer:

8m/s

Explanation:

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2 years ago

Physics please help !!

jeyben [28]

Answer:

(C)

Explanation:

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What is the frequency of radiation whose wavelength is 11.5 a0 ?

irakobra [83]

Answer:

The frequency of radiation is $2.61 \times 10^{17} s^{-1}$

Explanation:

Given:

Wavelength $\lambda = 11.5 \times 10^{-10}$ m

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$c = f \lambda$

$f = \frac{c}{\lambda}$

$f = \frac{3 \times 10^{8} }{11.5 \times 10^{-10} }$

$f = 2.61 \times 10^{17}$ $s^{-1}$

Therefore, the frequency of radiation is $2.61 \times 10^{17} s^{-1}$

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3 years ago

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3 years ago

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Explanation:

OK YAHHHHH SO DO THIS

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