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Alexus [3.1K]
3 years ago
9

What is one way radiation is used that is beneficial for our health?

Physics
1 answer:
xenn [34]3 years ago
3 0

Answer:in X-rays

Explanation:

Radiation are used in X-rays for the treatment of tumours, and some skin diseases,cancer cells can be destroyed by X-rays

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For a monatomic ideal gas, temperature is proportional to : the square of the average atomic velocity.
Alex777 [14]

Answer:

the square of the average atomic velocity.

Explanation:

From the formulas for kinetic energy and temperature for a monoatomic gas, which has three translational degrees of freedom, the relationship between root mean square velocity and temperature is as follows:

v_{rms}=\sqrt{\frac{3RT}{M}} (1)

Where  v_{rms} is the root mean square velocity, M is the molar mass of the gas, R is the universal constant of the ideal gases and T is the temperature.

The root mean square velocity is a measure of the velocity of the particles in a gas. It is defined as the square root of the mean square velocity of the gas molecules:

v_{rms}=\sqrt{} (2)

substituting 2 in 1, we find the relationship between mean square speed and temperature:

\sqrt{}=\sqrt{\frac{3RT}{M}}\\T=\frac{M}{3R}\\\\T\sim

3 0
3 years ago
If the force of a golf club on a golf ball is 200 N forward, what will the force of the ball on the club be?
Afina-wow [57]

Newton's Third Law is every action has an equal and opposite reaction.

B. 200 N Backwards is the correct answer

The ball should put 200 N of force towards the golfer.

The ball is exerting 200 N of force towards the club as well, but the opposite reaction is that it flies away.

For more details: For each reaction there must be a opposite reaction(Which is the ball going 200 N backwards) and an equal reaction(The ball putting 200 N of force towards the golfer and the golfer)

5 0
3 years ago
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An 89.2-kg person with a density 1025 kg/m3 stands on a scale while completely submerged in water. What does the scale read?
Luden [163]

Answer:

89.11kg

Explanation:

Note an object weighs less when in a fluid and the weight of the volume of the fluid displaced is known as the upthrust.

Now, the person is going to displace the volume 89/1025 =0.087m3 { from density D = mass(M)/volume(V)}

The weight of the fluid displaced is the density of the fluid × volume of fluid displaced.

The weight of the fluid=0.087m3× 1kg/me = 0.087kg

Now the weight of the fluid displaced is referred to as the upthrust.

Now the real weight - the apparent weight = the upthrust.

Hence the apparent weight = real weight - upthrust

Apparent weight = 89.2-0.087 = 89.11kg

3 0
3 years ago
Whats the difference between work and power
Vika [28.1K]
The main relationship or difference between<span> the two is time. </span>Work<span> is the amount of energy necessary to move an object from one point to another. Imagine moving a table or seat from your living room to your dining room. On the other hand, </span>power<span> is the rate at which the energy is spent.</span>
8 0
3 years ago
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Given that an integer variable count has already been declared and assigned a value: Write a statement that writes the value of
Natalija [7]

Answer:

cout<<count;

Explanation:

cout<<count;

The above is a C++ command will write to the standard output device (stdout).

That means that one is printing an output on the main output device for that session... whatever that may be (any output device such as monitor, printer, the user's console, a tty session, a file etc).

What that device may be varies depending on how the program is being run and from where.

The kind of statement that writes to standard output are print statement

4 0
3 years ago
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