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balandron
3 months ago
13

An arthroscope can be inserted into a knee joint through a very tiny incision to help a doctor examine the knee. A light is tran

smitted through the scope to illuminate the joint.
What type of light technology is being described?
Physics
2 answers:
Yuliya22 [3.3K]3 months ago
8 0

Response:

Total Internal Reflection

Clarification:

An arthroscope is an optical fiber used by doctors to observe the knee. Light travels through this device due to the process of total internal reflection. When light hits the boundary of a denser medium at a specific angle greater than the critical angle, it is completely reflected back. This principle allows light to pass through thin optical fibers, accommodating various applications.

inna [3.1K]3 months ago
4 0

Example Response: The technology referenced is fiber optics. Their small size and flexibility allow doctors to visualize areas that would otherwise require surgical intervention to examine.

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4 months ago
The human eye can respond to as little as 10^−18 J of light energy. For a wavelength at the peak of visual sensitivity, 550 nm,
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2 months ago
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A 60-kg motor sits on four cylindrical rubber blocks. Each cylinder has a height of 3 cm and a cross-sectional area of 15 cm2. T
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<span>A.) When a lateral force of 300 N is exerted on the motor, what will the sideways displacement be?</span>
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A 225 kg red bumper car is moving at 3.0 m/s. It hits a stationary 180 kg blue bumper car. The red and blue bumper cars combine
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Given


m1(mass of red bumper): 225 Kg


m2 (mass of blue bumper): 180 Kg


m3(mass of green bumper): 150 Kg


v1 (velocity of red bumper): 3.0 m/s


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The principle of momentum conservation indicates that the momentum before impacts equals the momentum after impacts. This can be represented mathematically as:


Pa= Pb


Pa symbolizes the momentum prior to collision and Pb refers to momentum after collision.


Applying this principle to the aforementioned scenario results in:


Momentum pre-collision= momentum post-collision.


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Momentum post-collision = (m1+m2+m3) x v2 =(225+180+150)x v2

=555v2

We now know that Momentum pre-collision equals momentum post-collision.


<presulting in="">

1215 = 555 v2


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Consequently, the final velocity of the combined bumper cars is 2.188 m/s

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