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Karolina [17]
3 years ago
7

Suppose you were to fill a balloon with air then let go of it withoutntying it closed. What causes the balloon to fly away?

Physics
2 answers:
antiseptic1488 [7]3 years ago
5 0

Answer:

When a balloon is inflated, the pressure inside the ballon is greater than the pressure outside the balloon. When let go of (or when the balloon is open), the air is released as there is no long a difference in pressure between outside the balloon and inside the balloon. This results in a force in the opposite direction due to the escaping air that provides the force, which causes it to fly away!

Hope this helps :)

tangare [24]3 years ago
3 0
What causes the ballon to fly away is the air pushing out of the balloon also tied in with air pressure
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At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. People sit in seats faci
Klio2033 [76]

Answer:

The radius of a chamber is 2.36 meters.

Explanation:

Given that,

The outer wall moves at a speed of 2.72 m/s.

Mass of the person, m = 75.1 kg

The person feels a force of 235 N force pressing against his back. The force acting on the person is centripetal force. It is given by the below formula :

F=\dfrac{mv^2}{r}

r is the radius of a chamber

r=\dfrac{mv^2}{F}

r=\dfrac{75.1\times (2.72)^2}{235}

r = 2.36 meters

So, the radius of a chamber is 2.36 meters. Hence, this is the required solution.

7 0
3 years ago
5. A construction worker on a high-rise building is on a platform suspended between two cables as illustrated below. The constru
Natalka [10]

Answer:

a) Tc = 750 [N]  ;b) See the explanation below.

Explanation:

To solve this problem, we first need a graphical explanation of this, as well as knowing the corresponding questions. Therefore, a search was carried out in google, in the attached image we will find a graphical description of the problem.

b)

The solution of this type of problem corresponds to the use of Newton's third law, applying static which tells us that the sum of the forces in a system in equilibrium without movement must be equal to zero.

a)

In this way we can find by means of a sum of forces on the y axis equal to zero:

- 850 - 450 + 550 + Tc = 0

Tc = 750 [N]

4 0
3 years ago
Which of the following two elements will likely form an ionic bond?
julsineya [31]
The answer is B.) I took the test. 
5 0
3 years ago
Read 2 more answers
Which copper wire would have the highest resistance?
Dafna11 [192]

Answer:

Just consider the resistance as water flowing through a pipe. If the pipe is too small in radius (consider thin wire as small pipe) water can’t flow easly. If the pipe is big in radius (consider thick wire as big pipe) water can flow easly. So flowing water through a small pipe for a long distance will inversly affect the normal flow where as flowing water through a big pipe for a small distance will not affect too much the normal flow.

So long & thin wire has high resistance. Short & thick wire has low resistance.

B. A wire that is 2 m long and has a cross-sectional area of 0.066

7 0
3 years ago
8) Find the X and Y component of 10degree vector that has 5N.
Deffense [45]

Answer:

Fx  = 4.92 [N]

Fy = 0.868 [N]

Explanation:

Let's take the 10 degrees as a measure from the horizontal component to the vector.

Thus taking the components in the X & y axes respectively:

Fx = 5*cos(10) = 4.92 [N]

Fy = 5*sin(10) = 0.868 [N]

3 0
3 years ago
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