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Is changing direction really the same as changing speed?

Updated: 8/19/2019
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13y ago

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No. It is possible to change direction without changing speed. However, it is not possible to change direction without changing velocity.

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13y ago
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Q: Is changing direction really the same as changing speed?
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How can a vehicle at the same time have a constant speed but changing velocity?

Speed is a scalar quantity (direction does not matter) and velocity is a vector quantity) ie velocity means speed in a specific direction. If you are changing direction (turning) in a car, your speed is the same, while your velocity changes.


What happens to speed and velocity when a car turns but maintains the same speed?

Velocity changes as direction is continuously changing.


When an object is accelerating its speed is?

You want me to say that the speed of an accelerating object is changing (or increasing), but I won't say it because it isn't necessarily so. The speed of the object may be constant even though it is undergoing acceleration. Acceleration means that velocity is changing. Velocity involves direction as well as speed. Acceleration may change the direction without changing the speed. Would you like an example ? The moon is revolving around the earth once a month in an orbit that is very nearly the shape of a circle. Assume for a moment that the moon's orbit really is a perfect circle. Then its speed is the same at every point in its monthly trip around the earth, never changing. But the direction of its motion is constantly changing, in order to remain on the circle. Since the direction is changing, this is acceleration, even though the moon's speed is constant.


What does constant velocity or acceleration mean?

"Constant" means that regardless of when you measure it, the result is always the same. "Velocity" means speed and its direction. "Acceleration" means the rate at which speed is changing, and the direction in which it's changing.


Can an object have a varying speed it its velocity is constant?

Of course, since velocity is a vector quantity and speed is a scalar quantity, velocity has something speed does not: direction. Thus, an object can travel at the same speed by has a changing direction of movement, and therefore a changing velocity. For instance, a ball on a string moving in a circle at the same speed is constantly changing its velocity, which results in its path of motion.Yes. Velocity is (speed and direction of motion). If direction changes, then velocitychanges, even if speed is constant.Examples:-- Car going around a curve at a constant speed has changing velocity.-- Anything traveling a circular path at a constant speed has changing velocity.


What is one example of velocity?

One example of Velocity is that if you are running in the same direction, your speed and velocity is the same. But if you are running AROUND the track, your speed is the same but your velocity is changing.


What is that noise you hear when you turn a corner?

Your tires reacting to a different speed and changing direction at the same time


Can an object have a constant spped and velocity at the same time?

Velocity is a vector quantity. That means it has direction and magnitude. Speed is a scalar quantity, it only has magnitude. It is possible to have constant speed and constant velocity but it is also possible to have constant speed but changing velocity if the object is changing direction.


Describe a situation in which an object accelerates without changing speed?

Acceleration is the rate of change of velocity over time, so velocity must always be changing if the object is accelerating. HOWEVER, you said speed which means only magnitude, not direction. If you stay the same speed, but change direction then you are accelerating. Simple answer: when you are going the same speed in a circle - velocity changes, therefore acceleration changes.


How is speed affected of the frequency or wavelength changes?

-- Changing the frequency/wavelength has no effect on the speed. (Notice that all electromagnetic waves, from wavelengths of perhaps 10-19 meters to perhaps 1,000 kilometers, travel with the same speed.) (Also notice that if the baritone sax plays a note together with the female vocalist, then you hear them at the same time, no matter how far from the stage you're seated.) -- Changing the frequency causes the wavelength to change, by the same factor in the opposite direction. -- Changing the speed causes the wavelength to change, by the same factor in the same direction.


When can an object a constant speed but not a constant velocity?

If the velocity is constant there is no acceleration. Speed is not velocity, velocity has speed and direction. I A car going around a circular track at 60 mph keeps the same speed but changes direction and thus accelerates at a constant speed. Velocity is speed in a certain direction. So change the speed but keep direction the same and you change the velocity. or Change the direction while keeping the speed the same and you change the velocity. If the speed is constant, any change of direction is a change in velocity. Driving around in a circle is a case of constantly changing direction.


What is constant speed?

Constant speed is movement at a fixed (constant) distance per unit of time. The same amount of distance is covered by the object in the same amount of time at each measurement of that same interval. An example of an object moving at a constant speed might be an object in orbit. Something up their above the drag of the atmosphere will move at a constant speed, and will continuously move around the earth at the same speed. Note that velocity is speed with a direction vector. An object in orbit will have a constant speed, but its velocity will be constantly changing because it is constantly changing the direction it is moving.