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anygoal [31]
3 years ago
7

Mark's uncle is about to have a procedure to treat his prostate cancer. The treatment involves placement of small pellets close

to the tumor to deliver a localized dose of radiation. What type of nuclear therapy is this?
Physics
1 answer:
Rus_ich [418]3 years ago
7 0

Answer: brachytherapy

Explanation:

Just answered it right

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X rays of wavelength 0.0100 nm are directed in the positive direction of an x axis onto a target containing loosely bound electr
Fofino [41]

Answer:

a)  =4.84*10^{-12}

b)= -2.76*10^{-14} J

c)i.e -2.76*10^{-14} J

d)= 0 and the direction of motion is equal to zero

Explanation:

a) compton shift

\Delta\lambda = \frac{h}{mc} (1-cos\theta)

\Delta\lambda = \frac{6.626*10^{-34}}{9.11*10^{-11}3*10^8} (1-cos180)

                        =4.84*10^{-12}

b) the new wavelength

\lambda' = 10.0*10^{-12} +4.84^10^{-12}

               =14.84*10^{-12} m

\Delta E = E' - E

              =hc[\frac{1}{\lambda'}-\frac{1}{\lambda}]

\Delta E = 6.626*10^{-34}*(3*10^8)[\frac{1}{14.84*10^{-12}}-\frac{1}{4.8*10^{-12}}]

= -2.76*10^{-14} J

C)By conservation of energy, the kinetic energy of recoiling electron is equal to the magnitude of energy between the photon energy

i.e -2.76*10^{-14} J

d) the angle between the positive direction of motion

sin\phy = \frac{\lambda_t sin\theta}{\lambda'}

            =\frac{2.43*10^{-12}sin180}{14.84*10^{-12}}  

             = 0

the direction of motion is equal to zero.

4 0
4 years ago
A 50N girl pushes a 10,000 N car with force of 200N. What is the force the car pushes back at the girl? *
miss Akunina [59]

Answer:

200N

Explanation:

EVERY FORCE IS OPPOSED BY AN EQUAL FORCE, REGARDLESS OF THE WEIGHT OF THE OBJECTS APPLYING THE FORCE.

8 0
3 years ago
 True or False? Anything that moves up and down or back and forth in a rhythmic way is vibrating.
ivanzaharov [21]
True, for example, sound waves are known for vibrating and they move up and down in a particular pattern depending on the pitch and volume. :) Hope this helps x
5 0
3 years ago
the force is found by multiplying the mass of an object by velocity at which it travels. true or false
Katarina [22]

False.

Force is found by multiplying mass of an object by its acceleration.

F = mass * acceleration

4 0
4 years ago
What does the process skill measuring mean?
Rudiy27

Answer:

Process Skills: Observing - using your senses to gather information about an object or event. It is description of what was actually perceived. using standard measures or estimations to describe specific dimensions of an object or event

Explanation:

i hope this isnt confusing

5 0
4 years ago
Read 2 more answers
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