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Answered 2009-10-30 02:39:32

For example, an object goes in a circle, at a speed of 50 km/hour. The average speed is 50 km/hour; the average velocity is zero.


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The magnitude of average velocity of an object equal to its average speed if that object is moving with CONSTANT velocity.

For the instantaneous value of average velocity, average speed and average velocity are equal.

The speed and direction of an object combine to give its velocity with the speed being equal to the magnitude of the velocity.

Yes. For a start, this happens when the object moves at a constant velocity. Also, if moving in a straight line, even if the object changes speed there must needs be a moment when its instantaneous speed is equal to its average speed - since it cannot change speed suddenly, it must do so gradually.

the instantaneous velocity or speed is the speed a body travels at a particular and average velocity is the total distance an object

That is the case when you are talking about instantaneous speed and velocity - or when the velocity is constant. In the case of an average speed and velocity, this relation does not hold.

Speed is a scalar quantity that refers to how fast an object is moving. Speed can be thought of as the rate at which an object covers a distance. While velocity is a vector quantity that refers to the rate at which an object changes its position. But when we calculate speed and velocity what we get is average not instantaneous. Average Speed= Distance travelled ------------------------ Time period Average Velocity= Displacement ------------------------ Time period

The correct term is velocity, not velocity.There is no reason why an object cannot have 0 velocity and 0 average speed - relative to some fixed reference point. I assume that your school, for example, has 0 velocity and 0 average speed.

No. Velocity is the Speed of an object, plus a component that defines its direction.

An object moving in a circular path at constant speed will have a non-zero average speed and zero average velocity since velocity is a vector parameter,

No, it can't. Average VELOCITY can be zero, though.

Average velocity (speed) of an object is the distance travelled, divided by the time elapsed.

1. magnitude of distance covered is equal to the magnitude of displacement. 2. the motion of the object is in a straight line i.e. in a particular direction.

When an object is moving along a straight line at a variable speed, we can express the magnitude of the rate of motion in terms of average velocity.It is the same way as we calculate average speed.

-- acceleration = 0 -- velocity (speed and direction) exactly equal to the observer's velocity

Velocity describes the speed and direction of an object.velocityvelocity

the velocity of an object is its speed and direction

The difference between speed and velocity is, that speed is the rate of how much an object in motion can get to and how much distance it can cover. Velocity is the motion on how far an object will go and how far it will take to get there. Speed is the rate of the change of distance over time Speed equals distance over time. Velocity is the change of rate of displacement with time velocity equals rate over time. The more speed that a object time to reach a distance, the less time it will take, the less speed to reach a object then the more time it will take to get there. Displacement is measured in the shortest path so the Magnitude is always equal to or less than the distance. The average velocity averages the object speed as the object approaches zero. Velocity is the vector of a object and the speed is the rate of movement. Speed is referred to how fast a object can reach in a period of time while velocity is which the object will change in position, both speed and velocity are calculated in the same units. Speed and velocity are both measured in the same units(km/hr)kilometers per hour or (m/s)meters per second. Velocity is a vector and Speed has a Scalar which is magnitude, velocity can also be the speed and the direction of a object. -plz 2kil u

Velocity is speed and its direction. Average velocity is average speed and its direction.

velocity is a vector and speed is scalar. Velocity has magnitude and directions, with magnitude being speed. The magnitude of average velocity and average speed is the same.

It's as simple as total displacement divided by total time. Be careful though. If this is a velocity problem, displacement does not always equal distance.

As long as there is no change in direction then they are effectively the same.

Both are velocity functions. Instantaneous velocity is the derivative of the average velocity * * * * * They are both speed functions. Velocity is a vector related to speed but quite irrelevant in this context. An object rotating at a constant [angular] speed has a velocity that is continuously changing but that has no relevance.

That would be the case if the object moved only among a straight line, and only in one direction (i.e., it didn't move back and forth).

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