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Answered 2009-11-10 06:50:23

No. Speed can remain constant when velocity changes, but velocity can't remain constant when speed changes.

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If the instantaneous speed of an object remains constant can its instantaneous velocity change?

Yes. Velocity is speed and direction so it can change velocity by changing direction.

What does instantaneous velocity mean?

Instantaneous velocity is a vector quantity representing the velocity Vi at any point.It is the time rate of change in displacement.

What is instentaneous acceleration?

instantaneous acceleration is the instantaneous change of velocity with respect to time.

When is the instantaneous velocity equal to avg velocity?

Mainly, when the velocity doesn't change. Also, in the case of varying velocity, the instantaneous velocity might, for a brief instant, be equal to the average velocity.

Does the slope of a position time graph represent average velocity or rate of change of velocity?

The tangent at a point on the position-time graph represents the instantaneous velocity. 1. The tangent is the instantaneous slope. 2. Rather than "average" velocity, the slope gives you "instantaneous" velocity. The average of the instantaneous gives you average velocity.

If the instantaneous velocity of an object is constant then so is acceleration.?

It does not make sense to say that the instantaneous velocity is constant. Instantaneous velocity by definition means that it is the velocity at a moment of time. If this is a question on some homework, just say no. The acceleration, or rate of change of the velocity, is not necessarily constant.

What Is the difference between velocity and average velocity?

Velocity is an instantaneous measure. Mathematically, it is the limiting value of the change in the position vector divided by the change in time as the latter tends to zero. Over larger time periods, the average velocity is the total change in the position vector divided by the total change in time. If velocity is constant, the average velocity will be the same as the instantaneous velocity.

What is the rate of change in position at a given point in time?

The rate of change in position at a given point in time is instantaneous speed, instantaneous velocity.

What is the rate of change of position at a specific point in time?

The rate of change of position is the velocity. The velocity at a specific point in time is called the instantaneous velocity.

The velocity of an object can change even if the speed remains constant?

Yes. The velocity can change if the speed remains constant and the direction changes.

Is the rate at which an object changes velocity?

No, velocity is the instantaneous speed of an object, the rate of change would be the acceleration of the object.

What does acceleration mean as a science term?

It's the change in velocity, the rate of change (derivative) which is instantaneous velocity. Acceleration can be positive or negative, meaning increased or decreased velocity respectively.

What speed is the rate of change in position at a given point and time?

You think to velocity.Velocity is not equivalent to speed.

What does velocity divided by the time interval equal?

It equals an undefined entity. The average acceleration of an object equals the CHANGE in velocity divided by the time interval. The term "change in velocity" is not the same as the term "velocity", "average velocity", or "instantaneous velocity".

How is acceleration calcuated?

Dividing change of velocity by the time it takes to change the velocity. If acceleration is not constant, this will give you the average acceleration during the period; to get the instantaneous acceleration, you have to take the derivative of the velocity.

Instantaneous speed at an instant is equal to magnitude of instantaneous velocity at that instant Why is it so?

Instantaneous velocity mean change of displacement in extremely small amount time. (in math way, taking[ lim t--->0 (change in displacements/change in time) ]. instantaneous speed is the same expect displacement change to distance. So,because of very very small change in time, magnitude of distance and displacement will be same for any direction the object is moving.

Can velocity change even if the speed remains constant?

Velocity is dependent on speed AND direction, therefore velocity will change if the direction is changed.

In calculus what is the instantaneous acceleration?

If v is the velocity, then it is dv/dt.If we start with v= dx/dt as the instantaneous change in position, then it is d2x/d t2

Is instantaneous velocity speed?

Instantaneous velocity is the rate of change of displacement at a particular time in the course of motion. Speed is the overall rate of change of distance for an entire journey calculated by dividing total distance travelled by total time spent during the motion.

What is speed at any given moment?

This is normally referred to as "instantaneous velocity" although if there is no change in velocity with respect to time - that is, no acceleration or deceleration - you might simply refer to it as "velocity".

How do you compute velocity?

Average Velocity = (change in position) / (elapsed time) Instantaneous Velocity = [limit as elapsed time approaches 0] (change in position) / (elapsed time) See the Wikipedia entry for more information.

Can you have velocity without acceleration?

Yes. Acceleration is a change in velocity. With no acceleration, velocity remains constant, possibly at zero.

Accelaration is defined as change in velocity divide by what?

Divided by time.Average acceleration is (change in velocity) / (time interval) Instantaneous acceleration is calculated by making the time interval very small. This is written as dv/dt.

Does an object's velocity remain constant when its speed and velocity do not change?

Reading the question carefully, I can state categorically, withoutthe slightest fear of contradiction, that YES, the object's velocityremains constant when its velocity does not change.

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