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blondinia [14]
2 years ago
12

How to answer this question?

Physics
1 answer:
laila [671]2 years ago
5 0

Answer:

measure the vector diagram first

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He does an experment.

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E all of the answers above correlate to the student and his skateboard
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If a 5000-kg is moving at a speed of 43 m/s, what is its momentum?
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215000kgm/s

Explanation:

Given parameters:

Mass of the moving body  = 5000kg

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Unknown:

Momentum  = ?

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Would you buy a pair of shoes from the same company that sold Jack his shoes? Why or why not?
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Radio waves of frequency 1.667 GHzGHz arrive at two telescopes that are connected by a computer to perform interferometry. One p
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The frequency of radio waves is 1.667 GHz

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There are two conditions for interference either constructive or destructive.

For constructive interference , the path difference is n times of wavelength and for destructive interference, the path difference is (n+1/2) times of wavelength

We can find wavelength in this case as follows :

\lambda=\dfrac{c}{f}\\\\\lambda=\dfrac{3\times 10^8}{1.667\times 10^9}\\\\\lambda=0.1799\ m

If we divide path difference by wavelength,

\dfrac{\delta}{\lambda} =\dfrac{1.26}{0.1799}\\\\\dfrac{\delta}{\lambda} =7\\\\\delta =7\lambda

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