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yawa3891 [41]
3 years ago
15

What is the angular radius θ1 of the first dark ring for a point source being imaged by this telescope? Use 550 nanometers for t

he wavelength
Physics
1 answer:
xz_007 [3.2K]3 years ago
3 0

Answer: Idek

Explanation:

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The gas pressure inside a container decreases when
avanturin [10]

Answer:

When the volume increases or when the temperature decreases

Explanation:

The ideal gas equation states that:

pV= nRT

where

p is the gas pressure

V is the volume

n is the number of moles of gas

R is the gas constant

T is the gas temperature

Assuming that we have a fixed amount of gas, so n is constant, we can rewrite the equation as

\frac{pV}{T}=const.

which means the following:

- Pressure is inversely proportional to the volume: this means that the pressure decreases when the volume increases

- Pressure is directly proportional to the temperature: this means that the pressure decreases when the temperature decreases

8 0
4 years ago
Describe the responses of the human ear to sound waves coming from the
maria [59]

If the sound comes from the right side, the waves reach the right ear before the left ear. if the sound comes from the left side, the waves reach the left ear before the right ear. The difference between the phases of waves reaching both ears is detected by the ears and then interpreted by the brain

8 0
3 years ago
One star has a mass slightly more than the mass of the sun. Which of these graphs would best model and predict the lifetime of t
Oksanka [162]

Answer:

b

Explanation:

6 0
4 years ago
A 15kg object strikes the ground with 2000J of kinetic energy after freely falling from rest. How far above the ground was the o
arsen [322]

Answer:

Explanation:

Find the final velocity at which it struck the ground by using the kinetic energy formula.

KE=\frac{1}{2} mv^2

2000=\frac{1}{2} (15)v^2\\v=16.33

Now use kinematics to solve for the vertical displacement. We were given the initial velocity and acceleration can be assumed to be 9.8

V^2=V^2_i+2a(y_f-y_i)\\16.33^2=0^2+2(9.8)(y_f-y_i)

Δy = 13.6 meters

8 0
3 years ago
What could be used as another word for electrical potential
tekilochka [14]

Answer:

hey mate

answer is probably voltage as per me

as

Explanation:

Voltage, electric potential difference, electric pressure or electric tension is the difference in electric potential between two points, which is defined as the work needed per unit of charge to move a test charge between the two points

5 0
3 years ago
Read 2 more answers
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