An unusual fog that is denser than air begins to fill a room. Should the people in the room walk out or crwl out? The people should.

Answers

Answer 1

Answer: Walk out. If it's denser than air, it'll settle to the bottom

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What are geothermal heat pumps used for?a. Cooling and heating buildings
b. Cooling buildings
c. Heating buildings
d. Heating water for using in homes

Answers

Heat pumps are also known as refrigeration units for heating and cooling homes by taking heat from air outside in the winter time and then reversed to take heat out of the inside of a home in the summertime. The Geothermal heat pumps take heat from the ground by way of buried pipes deep in ground with chemicals such as water and glycol or similar and transfers that heat into homes in the winter time.
Heating buildings

Which of the following is a region where magnetic force will affect other magnets?A-electronic domain
B- magnetic generator
C- magnetic field
D- magnetic charge

Answers

it is c.......ik bc i just got it right on platoweb

How strong does an earthquake have to be to cause a tsunami

Answers

Answer:

An earthquake with the magnitude of more than 7.5 on the Richter scale can cause to a destructive Tsunami.

Explanation:

According to International Tsunami Information center, the cause of the most destructive tsunami is shallow and large earthquake with the epicenter or fault line on the ocean floor or near the ocean floor.
When the tectonic plates (are pieces of earth's crust and uppermost mantle) are collided with each other then the earthquake occurs. This results in the displacement of large area of ocean floor from few km to 1000 km or more. This displacement of ocean floor in the formation of tsunami waves.
Like in the 1960, the tsunami in Chile was resulted due to earthquake with the magnitude of 9.5 on Richter scale with rupture area of over 1000 km. This tsunami not only cause destruction in Chile but also affected the other countries like Japan.

The grid in a triode is kept negatively charged to prevent...-the variations in voltage from getting too large
-the electrons from being attracted to the grid instead of the anode
-electrons from escaping from the tube containing the triode

Answers

I think the correct answer is the third statement, electron from escaping from the tube containing the triode. The negative charge on the grid repels any electron in the tube. As a result,the flow of current is controlled. If the field is that strong, all current flow will stop resulting to maintaining the electron cloud in the tube.

Answer:

B. the electrons from being attracted to the grid instead of the anode.

Explanation:

just because its the answer

Name the physical quantity measured by the velocity-time graph?

Answers

The so-called "velocity-time" graph is actually a "speed-time" graph. At any point
on it, the 'x'-coordinate is a time, and the 'y'-coordinate is the speed at that time.

'Velocity' is a speed AND a direction. Without a direction, you do not have a velocity,
and these graphs never show the direction of the motion. It seems to me that it would be
pretty tough to draw a graph that shows the direction of motion at every instant of time,
so my take is that you'll never see a true "velocity-time" graph.

At best, it would need a second line on it, whose 'y'-coordinate referred to a second
axis, calibrated in angle and representing the 'bearing' or 'heading' of the motion at
each instant. The graph of uniform circular motion, for example, would have a straight
horizontal line for speed, and a 'sawtooth' wave for direction.

PLEASE HELP. Really important

Answers

Explanation:

2) C would need the least effort, because the longer the effort distance, the least the effort applied.

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a 42.3 kg girl and a 7.93 kg sled are on the surface of a frozen lake, 15.0m apart and linked by a rope, but not moving yet. then the girl pulls on the rope, exerting a 5.76 N force on the sled, pulling it toward her. how far from the girl's original position do they meet?