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Alexxandr [17]
3 years ago
12

What causes light to refract?

Physics
1 answer:
GaryK [48]3 years ago
8 0

on reflection from a smooth surface, the angle of the ... The reflected ray is always in the plane defined by the incident ray and the ... they reflect off a surface, move from one transparent medium into another, or travel ... be used to understand the images produced by plane and curved mirrors.

Light refracts whenever it travels at an angle into a substance with a different refractive index (optical density). This change of direction is caused by a change in speed. For example, when light travels from air into water, it slows down, causing it to continue to travel at a different angle or direction.

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A helicopter travels from point C to point A to perform a medical supply drop. The helicopter then needs to land at point B. How
Ainat [17]

Answer:

32 degrees

Explanation:

8 0
3 years ago
A bobsled has a momentum of 3000 kg•m/s to the east. After the rider gives it a push, its momentum increases to 5500 kg•m/s to t
Archy [21]
Impulse, denoted as J, is defined by the change in momentum. Since we have our initial and our final, we can solve for the change in momentum.

J = p_{f} - p_{0} = 5500 - 3000 = 2500

J = 2500 kg*m/s
7 0
3 years ago
Read 2 more answers
A 2.5 kg ball rolls forward at 10.0 m/s. What is the ball's momentum?​
Anuta_ua [19.1K]

Answer:25kgm/s

Explanation:

mass=2.5kg

Velocity=10m/s

Momentum=mass x velocity

Momentum=2.5 x 10

Momentum=25kgm/s

4 0
3 years ago
A projectile is launched with a velocity of 13.2m/s at an angle of 37 degrees above the horizontal. What is the horizontal compo
MrRissso [65]

Answer:

horizontal component = 10.54m/s

Explanation:

horizontal component = 13.2cos37°

horizontal component = 10.54m/s

8 0
2 years ago
Suppose a plane accelerates from rest for 32.3, achieving a takeoff speed of 47.1 m/s after traveling a distance of 607 m down t
V125BC [204]

Answer:

217.28 m/s

Explanation:

u = 0, t 32.3 s, v = 47.1 m/s, s = 607 m

Let a be the acceleration.

Use third equation of motion.

v^2 = u^2 + 2 a s

47.1 x 47.1 = 0 + 2 a x 607

a = 1.83 m/s^2

For small plane

a = 1.83 m/s^2 , v = 28.2 m/s, u = 0, Let teh distance be s.

Use third equation of motion

28.2^2 = 0 + 2 x 1.83 x s

s = 217.28 m/s

6 0
3 years ago
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