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DochEvi [55]
3 years ago
15

The most practical way to guard against allergic reactions in restaurants guests is to

Physics
1 answer:
lord [1]3 years ago
8 0
Read the ingredients on the menu carefully and ask the waitress if theres any other ingredients you should know about
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Suppose that you observe light emitted from a distant star to be at a wavelength of 525 nm. The wavelength of light to an observ
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Answer:

The velocity of the star is 0.532 c.

Explanation:

Given that,

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\lambda_{0}=\sqrt{\dfrac{c+v}{c-v}}\times\lambda_{s}

Put the value into the formula

525=\sqrt{\dfrac{c+v}{c-v}}\times950

\dfrac{c+v}{c-v}=(\dfrac{525}{950})^2

\dfrac{c+v}{c-v}=0.305

c+v=0.305\times(c-v)

v(1+0.305)=c(0.305-1)

v=\dfrac{0.305-1}{1+0.305}c

v=−0.532c

Negative sign shows the star is moving toward the observer.

Hence, The velocity of the star is 0.532 c.

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3 years ago
What pulls all objects in the universe, including the moon and earth and the su
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Suppose of methane are burned in air at a pressure of exactly and a temperature of . Calculate the volume of carbon dioxide gas
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There are supposed to be numbers in these places:

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c d  and e

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