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riadik2000 [5.3K]
3 years ago
15

Could a nucleus that has one proton but no neutrons exist?

Physics
1 answer:
diamong [38]3 years ago
8 0
Yes, but there is only 1 atom like that and is is hydrogen. Hydrogen is the only element that could have a nucleus with one proton and no neutrons exist.
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Infer​ the effect of deforestation on the carrying capacity of the Amazon rainforest.
RUDIKE [14]

Answer:

More than 20% of the amazon has been destroyed, affects biodiversity.

Explanation:

  • The biggest issues that the amazon is facing is the deforestation and it involves the clearing of land areas for logging, farming, and other land-use changes.
  • Effects that are seen are droughts, floods, destruction of habitats of flora and fauna along with the valuable services of the ecosystem.
  • This leads to a decrease in the carrying capacity of the species and the decline of the essential resources that are necessary to survive.
4 0
3 years ago
300,000,000m/s × 2 = —— m
nekit [7.7K]

Answer:

6 x 10⁸ m

Explanation:

300,000,000 m/s x 2 s

= 3 x 10⁸ x 2

= 6 x 10⁸ m

7 0
3 years ago
a ball of 5 kg is moving towards the wall at 6 m/s. after a while, it hits the wall and rebounds back at 4 m/s in the opposite d
iris [78.8K]

Answer:-50 J

Explanation:

3 0
3 years ago
Any help is appreciated please
stiv31 [10]

Answer:

C. It speeds up, and the angle increases

Explanation:

We can answer by using the Snell's law:

n_i sin \theta_i = n_r sin \theta_r

where

n_i, n_r are the refractive index of the first and second medium

\theta_i is the angle of incidence (measured between the incident ray and the normal to the surface)

\theta_r is the angle of refraction (measured between the refracted ray and the normal to the surface)

In this problem, light moves into a medium that has lower index of refraction, so

n_r < n_i

We can rewrite Snell's law as

sin \theta_r =\frac{n_i}{n_r}sin \theta_i

and since

\frac{n_i}{n_r}>1

this means that

sin \theta_r > sin \theta_i

which implies

\theta_r > \theta_i

so, the angle increases.

Also, the speed of light in a medium is given by

v=\frac{c}{n}

where c is the speed of light and v the refractive index: we see that the speed is inversely proportional to n, therefore the lower the index of refraction, the higher the speed. So, in this problem, the light will speed up, since it moves into a medium with lower index of refraction.

4 0
3 years ago
What happens to the frequency of a wave if its energy increases?
salantis [7]
The frequency of a wave increases when the energy increases
6 0
3 years ago
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