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How would the speed of an object be affected if it were in a vacuum?
Wiki User
∙ 12y ago
Assuming you keep applying a constant force, it will accelerate indefinitely up to the speed of light
Wiki User
∙ 12y ago
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Why can satellites not attain the speed of light notwithstanding they are in absolute vacuum?
As the speed of an object approaches the speed of light, its kinetic energy approaches infinity. An object moving at the speed of light would require inifinite kinetic energy.
What is a good hypothesis for a hovercraft?
i think a good project would be seeing if the speed of the craft is affected by the weight of the person or object on it
Which of these would change the direction of an object but not affect the object's speed?
Circular motion would change the direction of an object but would not affect the object's speed.
Which would fall faster in a vacuum a science table or a bar of soap?
In a vacuum they would both fall at the same speed.
What would be the displacement when the object moved at constant speed?
An object with no movement at all has a zero speed or which have an constant speed. 0
How does air resistance affect the acceleration of falling objects?
As a falling object accelerates through air, its speed increases and air resistance increases. While gravity pulls the object down, we find that air resistance is trying to limit the object's speed. Air resistance reduces the acceleration of a falling object. It would accelerate faster if it was falling in a vacuum.
How can I time travel?
According to relativity theory, time stops for a particle when the speed of that particle reaches the speed of light in a vacuum. However, the theory of relativity also states that it is impossible for an object with nonzero mass to ever reach the speed of light in a vacuum. In other words: you can't, except in a few trivial instances such as photons, which are massless and already travel at the speed of light in a vacuum (er... at least, they do when they're in a vacuum). You may be asking about a video game, in which case it would help to know which one you're talking about. Video game physics are often quite different from real physics.
How long would it take before an object reaches a speed of 49 meters per second?
If you're talking about an object falling straight downward, that object being affected by a gravitational pull of 9.81m/sec, ignoring air resistance, it would take the object around 5 seconds to reach 49m/sec.
When you put an object that is not affected by gravity in earths atmosphere will it appear moving fast or etc?
First of all, there's no such thing as an object that's not affected by gravity. But if there were ... Its motion after you let it go would continue in the same direction and at the same speed that it had when it left your hand. Or, to improve the discussion slightly, no matter what direction you launched the object, it would continue in the same direction, but its speed would gradually decrease because of air resistance ... friction with the air through which it's gliding. What's missing is the vertical acceleration that all real objects have because of gravity. Your perception of its motion isn't affected by the presence or absence of gravity. Its appearance only depends on its speed relative to you.
If a car is traveling in a vacuum does it weigh less the faster it goes?
As an object accelerates toward the speed of light it's mass (and weight) increases, at the speed of light (c) the objects mass would be infinite, making it impossible for any object to accelerate to light speed. So, "no" an object does not weigh less by moving faster in a vacuum, the faster it goes the more it weighs and the slower time goes. The change in mass and time occurs because near light speed the variable "c" is more fixed and the remaining variables (time and mass) must change to maintain balance.
What is friction affected by?
Weight and surface affect friction. The more mass an object has more friction that will occur ex:/ It would be harder to slide an elephant across a floor than a hockey puck. This is because the large amount of friction on the elephant would slow it down. The smoother the surface the less friction. ex:/ There will be more friction on a floor of sandpaper than there would be on a floor of ice.
What affect would a vacuum have on falling objects?
All object fall at the same rate in a vacuum. If you drop a feather and a bowling ball at the same time in a vacuum, they would hit the ground at the same time.
