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nignag [31]
3 years ago
6

An example of sunlight passing through clouds during sunset results in what is often called the cloud's silver lining. Pastel sh

ades of blue, pink, purple, and green can be observed at times of cloud cover. What is the cause of these patterns in the sky?
Physics
2 answers:
Furkat [3]3 years ago
8 0
Water in the atmosphere and within the clouds themselves cause light waves to refract and reflect, creating an assortment of colors. The patterns occur when light is absorbed by water droplets within the clouds. The amount of absorption that occurs depends on the temperature of the air.  The patterns occur when light is reflected from water droplets within the clouds. The amount of reflection that occurs depends on the wavelength of the light, and shorter wavelengths are reflected at a greater angle than longer ones. 

Hope this helps!!


IRINA_888 [86]3 years ago
6 0

Answer:

Answer is D

Explanation:

The patterns occur when light is diffracted from water droplets within the clouds. The amount of diffraction that occurs depends on the wavelength of the light, and shorter wavelengths are diffracted at a greater angle than longer ones.

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A 30-06 caliber hunting rifle fires a bullet of mass 0.018 kg with a velocity of 417 m/s to the right. The rifle has a mass of 6
ryzh [129]

Answer:

V=1.19m/s

Explanation:

A 30-06 caliber hunting rifle fires a bullet of mass 0.018 kg with a velocity of 417 m/s to the right. The rifle has a mass of 6.29 kg. What is the recoil speed of the rifle as the bullet leaves the rifle?

this momentum.

it has to deal with the interaction between  bullet and a gun

.lets have a deep dive into the solution

momentum is the product of mass of a body and the velocity

momentum of the bullet-=momentum of the gun

mv=MV

mass of bullet=0.018kg

v=velocity of bullet

M=mass of rifle 6.29kg

V=recoil velocity of the rifle gun

0.018*417=6.29*V

V=1.19m/s

mass is the quantity of matter in a body

velocity is change in displacement per time

3 0
3 years ago
The driver of a pickup truck accelerates from rest to a speed of 37 mi/hr over a horizontal distance of 215 ft with constant acc
Alona [7]

Answer:

Maximum shearing force developed in each of the two pegs during acceleration is 1830 lbf

Explanation:

First we will find the acceleration of pickup truck.

As, the acceleration is uniform, therefore we can use Newton's third equation of motion:

2as = V_{f}^{2}-V_{i}^{2}

First convert speed into ft/sec

1 mile/hr = 1.47 ft/sec

therefore,

37 mile/hr = 37 x 1.47 ft/sec

37 mile/hr =  54.39 ft/sec

with initial speed 0 ft/sec (starting from rest), using in equation of motion:

a = [(54.39 ft/sec)² - (0 ft/sec)²]/2(215 ft)

a = 6.88 ft/sec²

Now, the total shear force will be given by Newton's second law of motion:

F = ma

F = (460 lbm +72 lbm)(6.88 ft/sec²)

F = 3660 lbf

Now for the max shear force in each of the two pegs we divide total fore by 2:

Force in each peg = F/2 = (3660 lbf)/2

<u>Force in each peg = 1830 lbf</u>

4 0
3 years ago
After a party the host pours the remnants of several bottles of wine into a jug. He then inserts a cork with a 2.15-cm diameter
pychu [463]

Answer:

3893.99675 N

Explanation:

F_1  = 125 N

A_1 = \pi 1.075^2

A_2 = \pi 6^2

From Pascal's law

\dfrac{F_1}{A_1}=\dfrac{F_2}{A_2}\\\Rightarrow F_2=\dfrac{F_1\times A_2}{A_1}\\\Rightarrow F_2=\dfrac{125\times 6^2}{1.075^2}\\\Rightarrow F_2=3893.99675\ N

The force that the liquid exerts on the bottom of the bottle is 3893.99675 N

5 0
3 years ago
Corresponde al conjunto de puntos por donde pasa un cuerpo al moverse
Anna35 [415]

Answer:

Means?

Explanation:

6 0
3 years ago
A value with magnitude only is a ?​
harkovskaia [24]
Scalar quantities have only a magnitude. So the answer is scalar quantities.
4 0
3 years ago
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