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Maslowich
3 years ago
5

Why Are Electrons Spread Around In An Atom?

Physics
1 answer:
sveta [45]3 years ago
7 0
The electrons in an atom orbit around the nucleus, a bit like planets around a sun. Because electrons are negatively charged, and the center of the atom is positively charged, and because opposites attract, the nucleus of the atom keeps the electrons coming back. The electrons are not always evenly spread around the atom (you'll learn about this in high school chem and physics), but they are always orbiting.
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Why is wood a renewable resource?
sweet-ann [11.9K]

Answer:

Trees grow everywhere, so we always have some

Explanation:

Wood is a renewable resource; trees can be replanted and grown to maturity in place of those that are cut down. As long as the trees are replanted at the same rate as they are cut down wood will be a renewable resource.

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2 years ago
Which property of light is not explained by the wave model of light?
Ronch [10]

Blue light can knock electrons off a plate, but red light can't

5 0
3 years ago
Speakers A and B are vibrating in phase. They are directly facing each other, are 8.2 m apart, and are each playing a 78.0 Hz to
Stels [109]

Answer:6.298,4.1,1.9015

Explanation:

Wavelength=\frac{velocity of sound }{frequency}

=\frac{343}{78}=4.397 m

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From B 78-x

Difference between the distances must be a whole number of wavelengths

First

x-\left ( 8.2-x\right )=4.397    for 1 st wavelength

2x=8.2+4.397=12.597

x=6.298m

second

For zero wavelength

x-\left ( 8.2-x\right )=0

2x=8.2

x=4.1m

Third

\left ( 8.2-x\right )-x=4.397

x=1.9015 m

6 0
3 years ago
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harkovskaia [24]

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