Questions

Why does earth not move when we jump?

Why does earth not move when we jump?

Being elastic, the entire earth does not accelerate all at once away from you when you jump. Instead, you just deform a tiny bit of earth right under your feet. If the ground you are standing on is loose and weak, such as sand or mud, then the deformation caused by jumping only travels a few meters.

Why you can’t take a hot air balloon outside the atmosphere?

A helium-filled balloon can float very high up into the atmosphere, however, it cannot float up into outer space. The air in Earth’s atmosphere gets thinner the higher up you go. The balloon can only rise up until the atmosphere surrounding it has the same weight as the helium in the balloon.

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When you stand on Earth your feet push against it with a force equal to your weight explain why doesn’t Earth accelerate away from you?

When you are standing motionless on the ground, your feet exert a force on Earth. Why doesn’t Earth move away from you? Because you are exerting TWO forces on the Earth: 1) your feet pushing the Earth, and 2) your body’s gravity pulling on the Earth. Those 2 forces cancel.

What happens if you pop a balloon in space?

The air molecules inside the balloon would be moving at roughly the speed of sound, or slightly faster. Once the balloon explodes, those molecules would move at a slightly lower velocity and continue into the vacuum of space until they bump into another molecule that slows or diverts its path.

What if my hot air balloon isn’t tied to the ground?

Instead, this section covers what to expect if your hot air balloon isn’t tied to the ground. Most commercial free flying hot air balloon rides last for about an hour. In that hour of time, you could travel just about anywhere! The hot air balloon will likely be followed by a car or two on the ground.

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Why does the inside of a balloon rise?

The inside air that has been heated rises due to the difference of density between the hot and cold air particles. The heated air, the air that is inside the balloon, is less dense than the cool air, the air outside of the balloon. And objects that are less dense rise. Volume = How much space something takes up

How do hot air balloons move laterally?

When it comes to moving laterally, a hot air balloon doesn’t have any technology to propel itself in any direction. The only way a hot air balloon moves laterally is through the wind. Once a hot air balloon travels up into the sky, it’s entirely up to the wind to carry it anywhere.

How do you keep balloons from flying off when hanging?

Even if you are planning to tie a ribbon to the bottom of the balloons, the knot should still be tied as this will keep the balloons more securely shut than the ribbon alone. Spray the balloons with a mist of hairspray. This will help keep the air from escaping. Store the balloons in a large plastic bag until the time for the party.