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When the speed of a vehicle doubles, the braking distance is increased by approximately four times. This is because the braking distance is directly proportional to the square of the speed.

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Q: When the speed of a vehicle doubles the braking distance is increased by approximately?
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Continue Learning about Physics

Does gravity decrease to one fourth of its value if a distance between two objects doubles?

No, gravity follows an inverse square law, which means it decreases with the square of the distance. Specifically, if the distance between two objects doubles, the force of gravity between them will decrease by a factor of four, not to one fourth of its value.


What happened to the force when the 2 charges and distance D become double?

If the distance between the charges doubles, the force between them decreases by a factor of 4. This relationship is described by Coulomb's law, which states that the force is inversely proportional to the square of the distance.


If the distance between two masses is doubled what happens to the gravitational force between the two masses?

If the distance between two masses is doubled, the gravitational force between them decreases by a factor of four. This is because gravitational force is inversely proportional to the square of the distance between the masses.


What happens to work done by friction if the speed doubles?

If the speed doubles, the work done by friction remains the same. Friction depends on the force between surfaces and the distance they move relative to each other, not the speed.


How does the magnetic force vary with distance?

The magnetic force between two magnets or a magnet and a magnetic material decreases as the distance between them increases. This relationship follows an inverse square law, meaning that the force is proportional to the inverse square of the distance between the magnets. Therefore, as the distance doubles, the force decreases by a factor of four.

Related questions

How is distance effected when time or rate is decreased or increased?

distance = rate x time the distance is increased or decreased in direct proportion to the rate or time. If the rate doubles the distance doubles in given time; If the time doubles the distance doubles at a given rate.


How does the force of gravity between two bodies change when the distance between them is increased by 4?

The force of gravity between two bodies decreases when the distance between them is increased. This relationship follows an inverse square law, meaning that the force of gravity is inversely proportional to the square of the distance between the bodies. Therefore, if the distance is increased by a factor of 4, the force of gravity will decrease by a factor of 16.


What happens to Fe if distance doubles?

Nothing happens.


If the distance of the planet from the sun doubles but its mass is unchanged the force of gravity between them will?

Doubling the distance reduces the force of gravity to one quarter its original.


Does gravity decrease to one fourth of its value if a distance between two objects doubles?

No, gravity follows an inverse square law, which means it decreases with the square of the distance. Specifically, if the distance between two objects doubles, the force of gravity between them will decrease by a factor of four, not to one fourth of its value.


How much is 1800600 square miles or is there a country that doubles that?

The country with approximately double that area is China with 3,705,405.45 square miles.


What happened to the force when the 2 charges and distance D become double?

If the distance between the charges doubles, the force between them decreases by a factor of 4. This relationship is described by Coulomb's law, which states that the force is inversely proportional to the square of the distance.


When you increase the distance between two objects then what happens to the gravity?

The force of gravity between them decreases. The force is inversely proportional to the square of the distance. This means that, for instance, if the distance doubles the force with be one quarter. If the distance is ten times as great the force will be one one-hundredth as big.


If the distance between two masses is doubled what happens to the gravitational force between the two masses?

If the distance between two masses is doubled, the gravitational force between them decreases by a factor of four. This is because gravitational force is inversely proportional to the square of the distance between the masses.


What happens to work done by friction if the speed doubles?

If the speed doubles, the work done by friction remains the same. Friction depends on the force between surfaces and the distance they move relative to each other, not the speed.


How does the magnetic force vary with distance?

The magnetic force between two magnets or a magnet and a magnetic material decreases as the distance between them increases. This relationship follows an inverse square law, meaning that the force is proportional to the inverse square of the distance between the magnets. Therefore, as the distance doubles, the force decreases by a factor of four.


If the earths mass doubles and your mass doubles how far from the center of the earth do you have to move so that tour weight will be the same as what it was before the masses changed?

You would have to double your distance from the center of the earth, or about 4,000 miles off the surface.