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Nesterboy [21]
3 years ago
8

Biotic factors and abiotic factor temperature

Physics
1 answer:
ddd [48]3 years ago
5 0
Biotic is the living factors while abiotic is nonliving such as a rock
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Which wave shows the loudest sound below?​
pochemuha

Answer:

I think C

Explanation:

If im right give brainliest :)

8 0
3 years ago
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A ray of light traveling in air strikes the surface of a liquid. if the angle of incidence is 29.7◦ and the angle of refraction
lana66690 [7]
When light moves from a medium with higher refractive index to a medium with lower refractive index, the critical angle is the angle above which there is no refracted ray, and it is given by:
\theta_c = \arcsin ( \frac{n_r}{n_i} ) (2)
where n_r is the refractive index of the second medium and n_i is the refractive index of the first medium.

We can find the ratio n_r / n_i by using Snell's law:
n_i \sin \theta_i = n_r \sin \theta_r (1)
where
\theta_i is the angle of incidence
\theta_r is the angle of refraction

By using the data of the problem and re-arranging (1), we find
\frac{n_r}{n_i} =  \frac{\sin \theta_i}{\sin \theta_r} = \frac{\sin 16.3^{\circ}}{\sin 29.7^{\circ}} =0.566

and if we use eq.(2) we can now find the value of the critical angle:
\theta_c = \arcsin ( \frac{n_r}{n_i} ) = \arcsin (0.566) = 34.5^{\circ}
3 0
3 years ago
A passenger on a stopped bus notices that rain is falling vertically just outside the window. When the bus moves with constant v
nekit [7.7K]

Answer:

1)0.325

2)6.17\ \rm m/s

Explanation:

<u>Given:</u>

The angle that falling raindrops make with the vertical=18^\circ

Let V_R be the velocity of the raindrops and V_B be the velocity of the bus.

1)

\dfrac{V_R}{V_B}=\tan 18^\circ\\\dfrac{V_R}{V_B}=0.315\\

2)Speed of the raindrops=0.315\times 19

=6.17\ \rm m/s

5 0
3 years ago
What tool could help a biologist study the movements of cells? digital camera with a zoom lens a satellite with a digital camera
Annette [7]
I think your answer would be (D) microscope with a video camera
Hope i helped!
4 0
3 years ago
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Rogan claims that he can run 8 miles per hour. Use the speed formula to determine how many minutes it would take him to run one
MAXImum [283]

Answer:

he would have to run at a 7 and a half mile to get 8 miles in an hour

Explanation:

8 0
3 years ago
Read 2 more answers
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