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3 years ago

Which type of electromagnetic waves are dangerous enough to be used to kill cancerous cells?

Physics

2 answers:

Ilya [14]3 years ago

8 0

Your answer is A. Gamma Rays

guapka [62]3 years ago

4 0

Answer:

Gamma rays

Explanation:

In the electromagnetic spectrum, the energy of gamma rays is maximum and even their penetrating power is very high.

The increasing order of energy of electromagnetic spectrum is given by

Radio waves < Micro waves < Infrared rays < Visible rays < Ultra violet rays < X rays < Gamma rays

So, gamma rays are highly energetic and they can kill the cancerous cells in the body.

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A ship maneuvers to within 2500 m of an island's 1800 m high mountain peak and fires a projectile at an enemy ship 610 m on the

Ne4ueva [31]

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.

t=(0-(250sin75)^2)/-9.8
the distance one is (2500+610)- (250m/s*cos75)*t=Dh Dh=horizontal distance 

the max height one is d=0.5*9.8*t^2 
d= max height subtract 1800-d

3 0

3 years ago

Read 2 more answers

The centripetal force acting on the space shuttle

tamaranim1 [39]

Answer:

(4) weight

Explanation:

The centripetal force acting on the space shuttle in orbit is given by:

$F=m\frac{v^2}{r}$

where

m is the mass of the shuttle

v is the tangential speed of the shuttle

r is the radius of its circular orbit

When the shuttle orbits the Earth, the centripetal force that keeps the shuttle in circular motion is given by the gravitational attraction between the shuttle and the Earth, which corresponds to the weight of the shuttle, and it is given by:

$F=G\frac{Mm}{r^2}$

where

G is the gravitational constant

M is the Earth's mass

And this force, therefore, corresponds to the centripetal force.

7 0

3 years ago

Read 2 more answers

A fox with a thick fur would have a survival advantage over other foxes if

Nat2105 [25]

This question is poorly stated, but I assume you mean what conditions are needed. It would have to be cold outside, correct?

8 0

3 years ago

John says that the value of the function cos[ω(t + T) + ϕ], obtained one period T after time t, is greater than cos(ωt + ϕ) by 2

Svetllana [295]

Answer:

No one is right

Explanation:

John Case:

The function $cos(\omega t +\phi)$ is defined between -1 and 1, So it is not possible obtain a value $2\pi$ greater.

In addition, if you move the function cosine a T Value, and T is the Period, the function take the same value due to the cosine is a periodic function.

Larry case:

Is you have $f=1+cos(\omega t +\phi)$ , the domain of this is [0,2].

it is equivalent to adding 1 to the domain of the $f=1+cos(\omega t +\phi)$ , and its mean that the function $f=cos(\omega t +\phi)$ , in general, is not greater than $cos(\omega t +\phi)$ .