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aleksklad [387]
3 years ago
12

A particle called the pi-meson is made from an up quark and an antidown quark. What is the charge of this particle?

Geography
1 answer:
Nostrana [21]3 years ago
8 0

Answer:  

Positive Pion, Negative Pion and Neutral Pion

Explanation:  

Pi-meson or also known as pion is one of any of the three (3) subatomic particles which characterizes of being unstable of its nature. The charged pions  

π+

and  

π−

decay with a mean lifetime of 26.033 nanoseconds or 2.6033×10−8 seconds, and the neutral pion  

π0

decays with a mean lifetime of 84 attoseconds (8.4×10−17 seconds).

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Astronomers use various tools to gather evidence in support of the Big Bang Theory.
Scorpion4ik [409]

The two tools used are:

  • A relationship existence between a galaxy's distance from Earth and also that of its speed.
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<h3>What evidence is collected by each tool?</h3>

The evidence to support the big bang are:

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2 years ago
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yulyashka [42]

Answer:

B. Rock and soil that is removed to mine ore.

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