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maw [93]
3 years ago
5

Pre-Algebra and Physical Science

Physics
2 answers:
Irina18 [472]3 years ago
6 0
Yeah! Your question?
PolarNik [594]3 years ago
4 0

Answer:

Hey pal what is the question

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A device for acclimating military pilots to the high accelerations they must experience consists of a horizontal beam that rotat
slava [35]

Answer: the angular frequency is 2.31 rad/s

Explanation:

The data we have is:

Radial acceleration A = 27.9 m/s^2

Beam length r = 5.21m

The radial acceleration is equal to the velocity square divided the radius of the circle (the lenght of the beam in this case)

And we can write the velocity as:

v = w*r where r is the radius of the circle, and w is the angular frequency.

w = 2pi*f

where f is the "normal" frequency.

So we have:

A = (v^2)/r = (r*w)^2/r = r*w^2

We can replace the values and find w.

27.9m/s^2 = 5.21m*w^2

√(27.9/5.21) = w = 2.31 rad/s

8 0
3 years ago
A charge Q exerts a 1.2 N force on another charge q. If the distance between the charges is doubled, what is the magnitude of th
Anon25 [30]

Answer:

0.3 N

Explanation:

Electromagnetic force is F= Kq1q2/r^2, where r is the distance between charges. If r is doubled then the force will be 1/4F which is 0.3 N.

8 0
3 years ago
Its economics. Its not b. What is it?
Yuliya22 [10]

Answer:

A

I say this because exponential growth takes place when a population per Capita growth stays the same

5 0
3 years ago
What causes the downward movement movements of air?
Sphinxa [80]
The cold air sinks as it is heavier 
5 0
3 years ago
A proton and an electron are released from rest, with only the electrostatic force acting. Which of the following statements mus
Anit [1.1K]

Answer:

Their kinetic energy will increase but potential energy will decrease.

Explanation:

Given that

Initial velocities of electron and proton is zero.

We know that ,electron have negative charge and proton have positive charge it means that they will attract to each other.We know that opposite charge attract to each other and same charge repels to each other.

It means that the velocities of proton and electron will increase and that leads to increase in the kinetic energy of proton and electron.

We know that potential energy U

U\alpha -\dfrac{1}{r}

So when r will decrease then U will increase but in negative direction it means that U will decrease.

So we can say that their kinetic energy will increase but potential energy will decrease.

5 0
3 years ago
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