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Butoxors [25]
2 years ago
13

Using a schematic diagram, explain the steps of the laser technique.

Physics
1 answer:
nignag [31]2 years ago
3 0

The steps of the use of the laser technique is explained below:

  • A laser beam is emitted from the diode in the unit and spread into a laser plane (1).
  • The laser plane, appearing as a line on the sphere (2), is reflected and collected by dual CCD arrays (1).
  • The resulting 2D profile is digitized and as the unit travels along the x-axis of the object, multiple profiles are collected yielding a 3D coordinate point cloud of the surface (3).

<h3>What is a Laser Technique?</h3>

This refers to the type of surgery that makes use of special light beams in order to cut open the human body in a surgical procedure.

Hence, we can see that the laser technique is considered safer than conventional surgical methods.

Laser techniques include:

  • laser vaporization,
  • laser resection-enucleation,  
  • coagulation.

Read more about laser technique here:

brainly.com/question/14091177

#SPJ1

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Radio waves are a type of______
Verizon [17]

Answer:

I already know the first one is electromagnetic but I don't know the second one sorry

Explanation:

5 0
3 years ago
what is change in internal energy if 30j of heat are released from a system that does 50j of work on its surroundings
slamgirl [31]

Answer:

-80 J

Explanation:

The first law of thermodynamics states that:

\Delta U = Q - W

where

\Delta U is the change in internal energy of the system

Q is the heat absorbed by the system

W is the work done by the system

In this problem, we have:

Q = -30 J is the heat released by the system (negative because the system releases it)

W = +50 J is the work done by the system on the surrounding (positive since it is done by the system)

Therefore, the change in internal energy is

\Delta U = -30 J - (+50 J) = -80 J

3 0
4 years ago
A potter's wheel is rotating around a vertical axis through its center at a frequency of 2.0 rev/srev/s . The wheel can be consi
vagabundo [1.1K]

Answer:1.7 rev/s

Explanation:

Given

Frequency of wheel N_1=2\ rev/s

angular speed \omega_1=2\pi N_1=4\pi\  rad/s

mass of wheel m_1=4.5\ kg

diameter of wheel d_1=0.30\ m=30\ cm

radius of wheel r_1=\frac{d_1}{2}=\frac{30}{2}=15\ cm

mass of clay m_2=2.8\ kg

the radius of the chunk of clay r_2=8\ cm

Moment of inertia of Wheel

I_1=\dfrac{m_1r_1^2}{2}=\dfrac{4.5\times 15^2}{2}\ kg-cm^2

Combined moment of inertia of wheel and clay chunk

I_2=\dfrac{m_1r_1^2}{2}+\dfrac{m_2r_2^2}{2}=\dfrac{4.5\times 15^2}{2}+\dfrac{2.8\times 8^2}{2}\ kg-cm^2

Conserving angular momentum

\Rightarrow I_1\omega_1=I_2\omega_2\\\Rightarrow \dfrac{4.5\times 15^2}{2}\cdot 4\pi=(\dfrac{4.5\times 15^2}{2}+\dfrac{2.8\times 8^2}{2})\omega_2\\\\\Rightarrow \omega _2=\dfrac{4\pi }{1+\dfrac{2.8}{4.5}\times (\dfrac{8}{15})^2}=\dfrac{4\pi}{1+0.1769}=0.849\times 4\pi

Common frequency of wheel and chunk of clay is

\Rightarrow N_2=\dfrac{4\pi \times 0.849}{2\pi}=1.698\approx 1.7\ rev/s

5 0
3 years ago
A driver traveling at 40 m/s slams on his brakes the vehicle completely stops in five seconds how far to the vehicle go while st
lara [203]

Answer: 100 m

Explanation:

Initial speed(u) = 40 m/s

Final speed(v) = 0 m/s

Acceleration = v-u/t

=> 0-40/5

=> 8 m/s^2

Displacement= s

=> 2as = v^2-u^2

=> 2(-8)(s) = 0 - (40)^2

=> -16s = -1600

s = 100 m

We can say the vehicle move 100 meters before stopping.

3 0
3 years ago
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Which profession is responsible for a planes design?
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Aerospace engineering is responsible for a plane design
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3 years ago
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