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mr_godi [17]
2 years ago
7

When a high-power laser is used in the Earth's atmosphere, the electric field associated with the laser beam can ionize the air,

turning it into a conducting plasma that reflects the laser light. In dry air at 0°C and 1 atm, electric breakdown occurs for fields with amplitudes above about 3.00 MV/m.
(a) What laser beam intensity will produce such a field?
W/m2

(b) At this maximum intensity, what power can be delivered in a cylindrical beam of diameter 3.44 mm?
W

Physics
1 answer:
Marianna [84]2 years ago
4 0

Find the below attachment

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How many million kilometers is one astronomical unit.
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150 million kilometres

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Which is not an element? Water , Arsenic, sodium, Aluminum
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3 0
3 years ago
Read 2 more answers
If a satellite weighs 321 lb. on the earth's surface (R = 4,000 miles), how much does it weigh 12,000 miles above the surface? (
Sever21 [200]

The gravitational force between the Earth and the satellite (its "weight") is inversely proportional to the distance between the centers of both objects.

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