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Stels [109]
3 years ago
9

The electromagnetic wave that CT scans are based on is called

Physics
2 answers:
alina1380 [7]3 years ago
8 0

Answer:

X-rays

Explanation:

  • Electromagnetic waves are wave that do not require a material medium for transmission and they travel with a speed of light,
  • Electromagnetic waves have a wide range of applications in medicine, for example use of x-rays in medicine in CT scans.
  • CT scans uses X-rays to produce a cross-sectional image of the body or the part of the tissue being studied using x-rays and a computer.
dimaraw [331]3 years ago
4 0

Answer:

xrays.....................

Explanation:

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1. A 700 kg satellite is in orbit 2.4 x 106 meters from the center of the Earth. What is the force of
nevsk [136]

Answer:

4.8 \cdot 10^4 N

Explanation:

The force of gravity acting on the satellite is given by:

F=\frac{GMm}{r^2}

where

G is the gravitational constant

M=5.98\cdot 10^{24} kg is the Earth's mass

m is the mass of the satellite

r is the distance of the satellite from the Earth's centre

Here we have

m = 700 kg

r=2.4\cdot 10^6 m

Substituting into the equation, we find:

F=\frac{(6.67\cdot 10^{-11})(5.98\cdot 10^{24})(700)}{(2.4\cdot 10^6)^2}=4.8 \cdot 10^4 N

<em>Note that the distance mentioned in the problem (2.4 x 10^6 meters) is not realistic, since it is less than the radius of the Earth (6.37 x 10^6 meters).</em>

3 0
3 years ago
The properties of each state of a substance are due largely to the degree (amount) of intermolecular bonding. True False
marysya [2.9K]

Answer:

true

Explanation:

6 0
3 years ago
A 75.0kg teacher (including the parachute) is skydiving! As the parachute opens, the system experiences a 1000N drag.
Ronch [10]

Answer:

Net force = 250 N

Explanation:

Given that,

The mass of a teacher, m = 75 kg

As the parachute opens, the system experiences a 1000N drag.

We need to find the magnitude of net force acting on the teacher. 2 forces are acting on her i.e. drag force and weight.

Net force,

F = mg-D

= 75(10)-1000

= -250 N

Hence, the net force is 250 N and it is acting in the upward direction.

3 0
3 years ago
How is energy related to the change of state represented by the model? Atoms gain energy as a gas changes to a solid. Atoms gain
amm1812

Answer: C) Atoms lose energy as a gas changes to a solid.

Explanation:

Energy is related to the change of state represented by the model in this way Atoms lose energy as a gas changes to a solid. As a certain gas is changing its state into that of a solid material, its atoms are going to lose some energy. 

6 0
3 years ago
A man travels a distance if 1.5 m towards east ,then 2m towards south and 4.5 m towards east.
diamong [38]

Answer:

<h2>i) 8.0m</h2><h2>ii) 6.32m</h2>

Explanation:

i) The total distance traveled will be the sum total of individual distances traveled by the man.

If the man travels a distance if 1.5 m towards east ,then 2m towards south and 4.5 m towards east, the total distance traveled will be expressed as; 1.5m+2m+4.5m

= 8.0m

ii) In order to get the man resultant displacement, we will use the Pythagoras theorem. Since the man travels a distance if 1.5 m and 4.5m towards east, the total distance taken towards east will be 6.0m and the distance traveled towards south is 2.0m. The resultant displacement of the man is expressed as;

R = \sqrt{x^{2}+y^{2}  }

Note that the eastward direction is the x-direction while the south direction is the y-direction.

x = 6.0m and y = 2.0m

R = \sqrt{6^{2}+2^{2}  } \\R = \sqrt{36+4}\\ R = \sqrt{40} \\R = 6.32m

The displacement of the man is 6.32m

4 0
3 years ago
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