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guapka [62]
3 years ago
8

Define light yearend explain how and why light years are used to measure distances in the universe

Physics
1 answer:
yan [13]3 years ago
3 0
Light years are the distance light can travel in a full year. They are used because there are really big distances in the universe that are easier to measure with a really large form of measurement (light years).
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a 4m long straight wir that carries acurrent of 0.5A is placed perpendicular to a uniform magnetic field. if the size of magneti
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Answer:

B=0.2T

Explanation:

given required solution

l=4m B=? <em>F</em><em>=</em><em>BIL</em>

i=0.5A B=F/IL

F=0.4N B=0.4N/0.5A*4m

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5 0
3 years ago
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Sphinxa [80]

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Ur answer is Stationary Front

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2 years ago
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C) alpha radiation seems to be the answer

8 0
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3 years ago
If element x has 44 protons how many electrons does it have?
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