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olganol [36]
3 years ago
5

Which factors affect the resistance of a material? Check all that apply.

Physics
1 answer:
shutvik [7]3 years ago
6 0

Answer: Length, thickness, and temperature

Explanation:

I did it

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Calculate the refractive index for a substance where the angle of incidence is 300 , the angle of refraction is 600 , and the re
Sophie [7]

Answer:

η₁ = 2.6

Explanation:

Here, we will use snell's law to calculate the refractive of the substance:

\frac{\eta_2}{\eta_1} = \frac{Sin\theta_1}{Sin\theta_2}

where,

η₁ = refractive index of first substance = ?

η₂ = refractive index of second substance = 1.5

θ₁ = angle of incidence = 30°

θ₂ = angle of refraction = 60°

Therefore,

\frac{1.5}{\eta_1} = \frac{Sin\ 30^0}{Sin\ 60^0}

<u>η₁ = 2.6</u>

7 0
2 years ago
According to the Theory of Plate Tectonics, which of the following statements is correct?
kramer

Answer:

It's D. The geothermal energy from Earth's core loses most of its heat before reaching the outer layer. The plates on the outer layer have been proven to be moving due to evidence such as earthquakes, volcanic eruptions, and tsunamis.

Explanation:

8 0
3 years ago
students may elect to take the Knowledge Test online or at Drivers Office what additional test must be taken at the licensing of
Nutka1998 [239]
None I mean you have to take a drivers test but you will have to take the knowldege test twice

4 0
3 years ago
What is the distance of separation between objects of masses 5.6 x 10 5 kg and 8.8 x 10 6 kg if the force of gravity between the
AlladinOne [14]

Answer:

2.87m

Explanation:

Using the law of gravitation to solve this question

F = GMm/r²

G is the gravitational constant

M and m are the masses

r is the distance between the masses

Substitute the given values

G = 6.67×10^-11 m³/kgs²

M =8.8 x 10^6 kg

m = 5.6 x 10^5 kg

F =440N

400 = 6.67×10^-11×8.8 x 10^6 ×5.6 x 10^5/r²

400r² = 328.698×10

400r² = 3286.98

r² = 3286.98/400

r² = 8.21745

r = √8.21745

r = 2.87m

Hence the distance of separation is 2.87m

7 0
3 years ago
Which one of Newton's Laws fits this statement:
BabaBlast [244]

Answer:

First Law

Explanation:

I learned this in 6th grade

5 0
3 years ago
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