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ira [324]
3 years ago
9

An open system is a system where __________.

Physics
1 answer:
alexandr402 [8]3 years ago
4 0

Answer:

Can enter or leave the system matter and energy. (The correct option is D)

Explanation:

Open system is defined as the system where exchange of matter, and energy occurs with its surrounding, presenting breaking down, and build up of its materials, and import, export of components.

Open system transfer the material into, and out of the system boundary, it contains an external interaction. A good example of open system is living things they actively connect with its environment, in results it shows changes in both the environment, and the living things.

So, the correct option is D.

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You want to make a ride so you do not want to exceed 1.1g’s, if the radius of the turns are 10m, then what is the maximum speed
Citrus2011 [14]

The maximum speed is 10.4 m/s

Explanation:

For a body in uniform circular motion, the centripetal acceleration is given by:

a=\frac{v^2}{r}

where

v is the linear speed

r is the radius of the circular path

In this problem, we have the following data:

- The maximum centripetal acceleration must be

a=1.1 g

where g=9.8 m/s^2 is the acceleration of gravity. Substituting,

a=(1.1)(9.8)=10.8 m/s^2

- The radius of the turn is

r = 10 m

Therefore, we can re-arrange the equation to solve for v, to find the maximum speed the ride can go at:

v=\sqrt{ar}=\sqrt{(10.8)(10)}=10.4 m/s

Learn more about centripetal acceleration:

brainly.com/question/2562955

#LearnwithBrainly

8 0
4 years ago
Which solid dissolves faster in water?<br><br> sugar cube<br> or<br> powdered sugar
Verdich [7]

Answer: <em>Powdered sugar</em>

Powdered sugar dissolves faster compare to the sugar cube. Because sugar cube has less surface area (the granules are tightly packed) compared to powdered sugar  

6 0
3 years ago
Why is accuracy important in dodgeball?
____ [38]
Accuracy and power are the only things that matter in dodge ball. If you are not accurate, then your target does not get hit.
8 0
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Where does the energy come from in a nuclear fission reaction?
poizon [28]

Answer:ni

Explanation:

nnn

4 0
3 years ago
Which statement about ocean surface currents is false?
Alla [95]

A) they have no effect on air temperature over land on the coast is False

Explanation:

  • warm and cold ocean currents can influence the coastal areas only when the air is blown into the land from the sea.
  • the temperature over the land increases when warm ocean currents heat the air above the ocean.
  • the temperature over the land decreases when cold ocean currents cool the air above the ocean and can bring colder winds to the coastal regions.
  • so, ocean currents play a major role in regulating the air temperature over land on the coastal region.

4 0
4 years ago
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