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vampirchik [111]
3 years ago
5

Dandre expands 120w of power in moving a couch 15 meters in 5 seconds how much force does he exert ?

Physics
1 answer:
netineya [11]3 years ago
6 0

Answer:

The answer is 40 N for APX

Explanation:

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The Event Horizon Telescope needs a 22 micro-arcsecond resolution to view the event horizon regions around black holes. If the a
likoan [24]

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14869817.395 m

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\theta=22 microarcsecond

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\theta=1.22\frac{\lambda}{D}\\\Rightarrow D=1.22\frac{\lambda}{\theta}\\\Rightarrow D=1.22\frac{1.3\times 10^{-3}}{22\times 10^{-6}\frac{\pi}{180\times 3600}}\\\Rightarrow D=14869817.395\ m

Diameter of the effective primary objective is 14869817.395 m

It is not possible to build one telescope with a diameter of 14869817.395 m. But, we need this type of telescope. So, astronomers use an array of radio telescopes to achieve a virtual diameter in order to observe objects that are the size of supermassive black hole's event horizon.

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