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Elina [12.6K]
3 years ago
5

Which of the following is a surface phenomenon A evaporation B boiling C melting D freezing​

Physics
1 answer:
yaroslaw [1]3 years ago
5 0

Answer:

A. evaporation

Explanation:

Evaporation is a surface phenomenon as the molecules of the surface gets sufficient energy to overcome the force of attraction which will help in converting to the vapor phase.

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Select the correct answer. Physics is explicitly involved in studying which of these activities? A. the mixing of metals to form
geniusboy [140]

Answer:  C. the motion of a spacecraft under gravitational influence.

Explanation:

A is Metallurgy, B is Biology, C is astro-physics, I am not sure what D is, but it's   safe to say it's not physics, E, micro-biology, and the study of radiation. C is the only one involving physics.

8 0
4 years ago
What is the role of the neutral wire
lions [1.4K]

Answer:

The neutral wire is often confused with ground wire, but in reality, they serve two distinct purposes. Neutral wires carry currents back to power source to better control and regulate voltage. Its overall purpose is to serve as a path to return energy.

5 0
3 years ago
Light strikes a 5.0-cm thick sheet of glass at an angle of incidence in air of 50°. The sheet has parallel faces and the glass h
xxMikexx [17]

Answer:

30.81°

Explanation:

θ₁ = angle of incidence = 50°

θ₂ = Angle of refraction

n₂ = Refractive index of glass = 1.5

n₁ = Refractive index of air = 1.0003

From Snell's Law

Using Snell's law as:

n_1\times {sin\theta_1}={n_2}\times{sin\theta_2}

1.0003\times {sin50}={1.50}\times{sin\theta_2}

Angle of refraction= sin⁻¹ 0.5122 = 30.81°.

3 0
4 years ago
Describe a structural adaption that a snake has. What challenge does it overcome? PLZ HELP ASAP
PolarNik [594]
It has a flexible vertibrae which allows it to move faster and fit into places . Plus it also allows it to get its prey easier
6 0
3 years ago
Please help <br><br>formula to calculate equivalent resistance​
azamat

Answer:

(Equation 10.3. 2): RS=R1+R2+R3+R4+R5=20Ω+20Ω+20Ω+20Ω+10Ω=90Ω

6 0
3 years ago
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