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2011-09-01 04:55:01
2011-09-01 04:55:01

I think it is cuz speed is velocity it's just a vector (more difficult name)

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Two position measurements and the time between the measurements will give the average velocity (i.e. speed and direction).


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


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.


Direction. Velocity has speed and direction


Average velocity equals the average speed if (and only if) the motion is in the same direction. If not, the average speed, being the average of the absolute value of the velocity, will be larger.


Velocity will always change in speed.


Velocity = speed, and the direction in which it's happening Acceleration = rate at which speed is changing, and the direction in which it's changing



Speed is the magnitude of distance travelled per unit time, whereas velocity depends on the magnitude of distance travelled as well as the direction of motion. Speed is a scalar quantity, velocity is a vector. Speed cannot be negative, velocity can be negative. Average speed of an object after travelling a certain distance is always non-zero, but for velocity the average velocity can be zero (this follows from the previous idea).


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


The term "velocity", as used in physics, DOES have an associated direction. Most derived terms, such as "average velocity", also do.


Speed and velocity always have the same magnitude, becausespeed is the magnitude of velocity.The difference is that velocity has a direction but speed doesn't


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.


Because velocity is a measurement of change of speed rather than an average constant speed. To get the average speed (as you rightly said) - you divide the total distance travelled by the time taken. The average velocity is the change in speed over time (either an increase or decrease).


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,


If the car has an average speed of 65 mph, when it returns to its starting point, it will have a displacement of zero and an average velocity of zero, because velocity has both speed and direction.


No. Average velocity is still a velocity.Distance is a product of (a velocity or speed) times (a length of time).


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.


Well velocity is basically the same thing as speed but with direction (velocity can be negative or positive and speed is always positive). l velocity l = speed So a change in velocity means a change in speed.


Distance and time are the measurements necessary to find the average speed of a moving train.


speed is a scalar quantity ie it has no directions...........whereas velocity is a vector quantity ie it has directions...................Also speed has distance n velocity has displacement


No. Velocity combines speed and the direction of motion.Constant velocity is constant speed in a straight line.In circular motion, the velocity is always changing even if the speed is constant,because the direction is always changing.


no its a vector quantity,not a scalar quantity,bcz still it z a velocity bt NT a speed On a typical journey the average velocity is the straight-line distance between the start and finish, divided by the time taken, and it also has a direction. The average speed is the actual distance run, divided by the speed. The average speed might not be equal to the magnitude of the average velocity. For example on a round trip the average speed might be 40 mph, while the average velocity is zero.



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