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Savatey [412]
3 years ago
8

Lasers utilize concentrated light waves, focused precisely and used for certain applications. What are some common uses of laser

s for medical applications? Check all that apply.
1. surgery
2. dental hygienics
3. tissue/tumor ablation
4. kidney stone treatment
5. LASIK
6. drug uptake
Physics
2 answers:
SVEN [57.7K]3 years ago
5 0

its 1,3,4,5 just got it right on edge

Anon25 [30]3 years ago
5 0

Answer:

1) Surgery

3) Tissue/tumor ablation

4) Kidney stone treatment

5) LASIK

Explanation:

correct on edge

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A baby carriage is sitting at the top of a hill that is 21 m high. The carriage with the baby has a mass of 4kg. The carriage ha
Ira Lisetskai [31]

Answer:

E=252J

Explanation:

The total mechanical energy of an object or system is given by:

E mech=K+U

Where K is the kinetic energy of the object and U is the potential energy of the object. The carriage, sitting motionless at the top of the hill, has only potential energy in the form of gravitational potential energy.

Gravitational potential energy is given by:

Ug=mgh

Where m is the mass of the object, g is the gravitational acceleration constant, and h is the height of the object above some specific reference point, in this case the ground 21 m below.

The weight of a stationary object at the surface of the earth is equal to the force of gravity acting on the object.

W=→Fg=mg

We are given that the carriage weighs 12 N, therefore mg=12N.

Ug=12N⋅21m

⇒Ug=252Nm=252J

Hope it helped, God bless you!

5 0
3 years ago
This term ____ Location refers to using another location as a reference point, rather than using latitude and longitude.
IrinaVladis [17]
This term absolute location refers to using another location as a reference point, rather than using latitude and longitude.
4 0
3 years ago
A roller coaster uses 800 000 J of energy to get to the top of the first hill. During this climb, it gains 500 000 J of potentia
Zarrin [17]

Answer:

<em>Good Luck!</em>

Explanation:

6 0
2 years ago
Earning Goal: To be able to calculate work done by a constant force directed at different angles relative to displacement
lana [24]

Answer:

the work done by the 30N force is 4156.92 J.

For this problem, they don´t ask you to determine the work of the total force applied in the block. They only want the work done for the force of 30N, with an angle of 30º respectively of the displacement and a traveled distance of 160m. So:

W=F·s·cos(α)=30N·160m·cos(30º)=4156.92J

8 0
2 years ago
1 Point
irakobra [83]

Answer:

SECOND LAW OF NEWTON

Explanation:

When the rocket fires the engines the gases leave at high speed and collide with the space station, transferring an impulse given by the expression

                I = F t = Δp

As we can see this expression is a form of Newton's second law

           F = m a

           a = dv / dt

           F = m dv / dt

           F dt = m dv

           p = mv

           F dt = dp

Therefore the station moves through the SECOND LAW OF NEWTON

7 0
2 years ago
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