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s2008m [1.1K]
3 years ago
13

Light refracts when it passes through some objects. What is refraction?

Physics
1 answer:
blagie [28]3 years ago
6 0

Answer:

Explanation:

in physics, the change in direction of a wave passing from one medium to another caused by its change in speed. For example, waves in deep water travel faster than in shallow.from one medium to another or from a gradual change in the medium. Refraction of light is the most commonly observed phenomenon, but other waves such as sound waves and water waves also experience refraction in other words it can be all of them or i can narrow it down some more it can have a change in dirction when light enters into a traveling point for example after moving through air it passes through a prism called  compare reflection

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In an arcade game a 0.099 kg disk is shot across a frictionless horizontal surface by compressing it against a spring and releas
Sonja [21]

Answer:

The speed of disk is 1.98 \frac{m}{s}

Explanation:

Given:

Mass of m = 0.099 kg

Spring constant k = 244 \frac{N}{m}

Compression of spring x = 4 \times 10^{-2} m

From energy conservation theorem,

Spring potential energy converted into kinetic energy,

   \frac{1}{2} m v^{2} = \frac{1}{2} k x^{2}

  v = \sqrt{\frac{k x^{2} }{m} }

  v = \sqrt{\frac{244 \times 16 \times 10^{-4} }{0.099} }

  v = 1.98 \frac{m}{s}

Therefore, the speed of disk is 1.98 \frac{m}{s}

8 0
3 years ago
What is the answer??
kati45 [8]

Answer:

lol do you still need help?

Explanation:

8 0
3 years ago
What is the minimum force required to increase the energy of a car by 69 J over a distance of 42 m? Assume the force is constant
sineoko [7]
ANSWER: 1.6N (forth option)



EXPLANATION:
E= Force x displacement
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69/42 = F
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Answer : 1.6N
3 0
3 years ago
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docker41 [41]

Answer:

the rope should break

Explanation:

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hope this helps you

3 0
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how long will it take an object to move 100 meters if the object is traveling with an average speed of 2.0 meters per second
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