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# What is constant speed?

# On a graph of distance versus time what is constant speed shown by?

If the line formed by the graph is straight, the speed is constant. A horizontal line would show the object as stationary.

# Can an object have a constant speed but not a constant velocity?

Yes. Velocity is made up of speed and direction (i.e. 12mph North). So a car driving in a circle could have constant speed, but its velocity would be continually changing.

# What is constant speed and constant velocity?

Constant speed is a fixed rate of displacement of an object. Constant velocity is a fixed rate of displacement in a fixed direction. That might not make sense, but let's dig i…n a bit and see if we can make sense of it. Consider a truck on an open freeway and a horse on a merry-go-round. If both the truck and the horse move a fixed distance per unit of time, they are moving at a constant speed. Speed is displacement per unit of time. In the case of the truck, it might be convenient to measure it in miles per hour or kilometers per hour. The horse might be moving at a speed measured in feet per second or metres per second. Velocity is similar to speed, but it includes a direction vector. An object might be moving at a constant speed and a constant velocity, but another might be moving at a constant speed but not at a constant velocity. The only difference might be that the latter object is constantly changing direction. Recall the truck on the freeway from the above example. It might be moving at 60 miles per hour east, and that defines its speed and direction, or its velocity. The horse, however, is constantly changing direction. Its speed might be constant at, say, 6 feet per second or 2 metres per second, but it is moving in a circle and is constantly changing direction. Its velocity will, therefore, be constantly changing as well.

# Is constant acceleration same as constant speed?

no because constant acceleration describes and object speeding up at an equal rate wheras constant speed describes an object travelling at the same speed over time. By the way… i h8 physics don't ever do it

# Why is the speed of light constant if it is constant?

It is constant, because it's determined by the electrical properties of the vacuum or material stuff it's traveling through. So as long as the electrical permi…ttivity and magnetic permeability of the medium don't change, the speed that they determine doesn't either. The constant speed of light "C" (for example in E=mC2) is the speed of light in a vacuum. Light in other mediums, such as glass, moves slower and creates such effects as refraction.

# Is constant speed constant velocity?

No. Velocity includes a direction vector, which speed does not have.

# If you have a constant velocity do you have to have a constant speed?

Yes, speed is the scalar of velocity.

# How are constant speed and constant acceleration different?

There is a huge difference between constant speed and constant acceleration. Constant speed is when the object is travelling constant, no change in its velocity and accelerati…on or in other words no extra force to speed up. Constant acceleration when the object is acceleration constant, it means that the speed of the object is change at the same rate each second. The acceleration rate at which the object is travelling is constant. for example, when a car is stationary at a traffic light and it starts acceleration, picking up speed but the rate of acceleration will not constant because the amount of force applied differs each second due to the acceleration rate.

# Can a body have constant velocity when it has constant speed?

Of course. In fact, in order to have constant velocity, it must have constant speed. What you really want to know: Can a body have changing velocity when it has constant spe…ed ? The answer to that one is also "yes", for example when it is moving in a circle, the speed is constant but the velocity is changing all the time (in direction).

# Does constant speed mean constant velocity?

No. Circular motion can have constant speed but varying velocity. Constant speed means constant speed in any direction, like a car on cruise control turning a corner. Co…nstant velocity means constant speed in a straight line. If the direction changes, that's considered a change in velocity.

# What is constant speed in mathematical terms?

It's when the rate of change of distance per unit time is constant. Speed (or more precisely, velocity) is represented by the differential equation ds/dt, where s = displaceme…nt (actual distance travelled), and t = time taken

# Does constant speed give you constant velocity?

No. The speed can be consant but direction can change and thus the velocity changes.

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In Technology

# What is constant speed DC motor?

Dc shunt motor is constant speed motor.Its speed is constant with armature current.This shunt motor is used in paper mills and drilling machines

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In Science

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

Consider an object turning in a circle at a constant speed. Because velocity is not just the value of speed, but also the direction in which the object is moving, the velocity… would not be constant.

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In Uncategorized

# What Is a constant speed?

When the speed of an object remains the same - it does not increase or decrease - we say it is moving at a constant speed.

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In Science

# Can an object have a constant speed and a constant acceleration?

Yes, it it's going round in a circle, for example.

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In Science

# What is constant speed Give an example?

if an object is moving without any net force or acceleration, it is moving at constant speed, or constant velocity. For example a satellite orbiting the earth is moving at… constant speed, a car traveling at 60 mph, a wind of 20 mph. etc.