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Andru [333]
3 years ago
14

What happens to a light wave when it travels from air into glass?

Physics
1 answer:
tino4ka555 [31]3 years ago
7 0
Light is refracted when it crosses the interface from air to glass in which it moves more slowly.
Since the light speed changes at the interface, the wave length of the light must change too. The wave length decreases as the light enter the medium and the light wave changes direction.
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The cloud of interstellar dust and gas that forms a star is known as a
Alex777 [14]
     The cloud of interstellar dust and gas that forms a star is known as a nebula. With an average surface temperature of about 737K, venus is the hottest planet. Hope this helps, and sorry your question didn't get answered in time.
8 0
3 years ago
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If you run a complete loop around an outdoor track of length 400 m in 100 s, find your(a) average velocity and (b) average speed
laila [671]

Answer:

a) 0 m/s

b) 4 m/s

Explanation:

The average velocity would end up being 0 because it is displacement over time and the displacement here is 0. However, speed is total distance over time which here is 400/100 so it is 4.

5 0
3 years ago
A 0.45 Caliber bullet (m = 0.162 kg) leaving the muzzle of a gun at 860
Charra [1.4K]

Answer:139.32kgm/s

Explanation:

Mass(m)=0.162kg

Velocity(v)=860m/s

Momentum=mass x velocity

Momentum=0.162 x 860

Momentum=139.32kgm/s

3 0
3 years ago
Explain which of the following has more inertia and why: a 200 lb wrestler sitting on a mat or a baseball flying through the air
Wittaler [7]

Inertia is the property of mass and as per the definition of inertia we can say that object will continue its state of motion and resist any change in its state of motion due to inertia

Inertia is only the property of mass and no other physical quantity can change the inertia of object

So it is directly proportional to the mass of the object

So if object has more mass then it will have more inertia

in this given example we have to compare the inertia of a 200lb wrestler and a baseball

So here the speed of baseball is of no use as inertia can not be determined by speed of the ball

Since here mass of the wrestler is more so his inertia will be more than the inertia of baseball


7 0
3 years ago
The distance light travels in one year is called a light year. It is about 5.88 trillion miles and is used to measure stellar di
VikaD [51]

Answer:

14 billion years

Explanation:

The distance of the edge of the universe = 14 billion light years

Light year is used to measure the distance which is equal to the distance traveled by the light at the speed of approx 3\times 10^8\ m/s in one year.

It means that to reach the edge of the universe which is 14 billion light years apart , if one is travelling at the speed of light which is 3\times 10^8\ m/s, it will take 14 billion years to reach there.

3 0
3 years ago
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