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Aleks [24]
3 years ago
6

What is the relationship between the kinetic energy of molecules in an object and the object temperature

Physics
1 answer:
andrew11 [14]3 years ago
7 0

I think it might be friction

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A scuba diver is sitting on a boat while waiting to go on a dive and sees light reflected from the water's surface. At what angl
LUCKY_DIMON [66]

Answer:

θ_p = 53.0º

Explanation:

For reflection polarization occurs when a beam is reflected at the interface between two means, the polarization in total when the angle between the reflected and the transmitted beam is 90º

Let's write the transmission equation

     n1 sin θ₁ = ne sin θ₂

The angle to normal (vertcal) is

    180 = θ2 + 90 + θ_p

    θ₂ = 90 - θ_p

Where θ₂ is the angle of the transmitted ray θ_p is the angle of the reflected polarized ray

We replace

     n1 sin θ_p = n2 sin (90 - θ_p)

Let's use the trigonometry relationship

    Sin (90- θ_p) = sin 90 cos θ_p - cos 90 sin θ_p = cos θ_p

In the law of reflection  incident angle equals reflected angle,  

    ni sin θ_p = ns cos θ_p

    n₂ / n₁ = sin θ_p / cos θ_p

    n₂ / n₁ = tan θ_p

    θ_p = tan⁻¹ (n₂ / n₁)

Now we can calculate it

The refractive index of air is 1 (n1 = 1) the refractive index of seawater varies between 1.33 and 1.40 depending on the amount of salts dissolved in the water

n₂ = 1.33

      θ_p = tan⁻¹ (1.33 / 1)

      θ_p = 53.0º

n₂ = 1.40

      θ_p = tan⁻¹ (1.40 / 1)

      Tep = 54.5º

4 0
3 years ago
Which defintion of heat is most scientifically accurate
lukranit [14]
Hi there

Definition of heat

the quality of being hot; high temperature.
6 0
3 years ago
How can people stop being Homophobia? °∩°
OLEGan [10]

Answer:

sure

Explanation:

5 0
3 years ago
Read 2 more answers
A surfer on top of a wave takes 10 seconds to travel a distance of 40 meters. What is the speed of the wave the surfer is riding
daser333 [38]

Answer:

<h3> B. 4 m/s</h3>

Explanation:

The formula for Speed is distance per time.

<h3>Therefore Speed = Distance / Time</h3>

<u>Data</u>

D = 40 m

T = 10 sec

S = ?

<h3> Speed = 40m /10sec</h3>

To find the speed , divide the distance by the time.

Note : the unit for Speed is meter /second

<h3> Speed = 4 m/s</h3>

Therefore the speed of the wave, the surfer is riding on is 4 m/s.

7 0
1 year ago
Help me please. I need the answer.​
AleksandrR [38]

Answer:

-100m/s

Explanation:

none

4 0
3 years ago
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