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Is Average velocity the slope of the line tangent to the curve on a velocity-time graph at a specific instant of time?
Wiki User
∙ 12y ago
No. What you've described is instantaneous acceleration.
To lift the average speed from a graph, you need a graph of distance-time.
Pick two points in time, and find the distance at both those times.
The average speed over that time interval is (difference between the distances
at the beginning and end) divided by (difference between the two times). If you're
just going for the average, then it doesn't matter what happened during the interval,
only the values at the end-points.
The slope of the line tangent to the curve on your distance-time graph
is the instantaneous speed at that point in time.
We're saying "speed" in this discussion because there's actually no such thing as
a graph of velocity. No simple thing anyway. Velocity is a vector, whose magnitude
is speed and which includes a direction. It's easy to graph speed vs time, but not
that easy to graph direction vs time. So all the graph shows is speed.
Wiki User
∙ 12y ago
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Is Average velocity the slope of the line tangent to the curve on a velocity time graph at a specific instant of time?
No, it is instantaneous acceleration.
How fast velocity is changing at a specific instant?
Acceleration is the rate of change of velocity.
What is the best definition of velocity?
The speed of something in a given direction.
Is how fast velocity is changing at a specific instant?
That's the magnitude of instantaneous acceleration.
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.
Acceleration is how fast a velocity is changing at a specific instant?
Yes, plus the direction that it's changing in.
Find average acceleration and instanious acceleration?
average acceleration is the average of the acceleration of a body in its entire motion where as instantaneous acceleration is the rate of change of velocity at an instant. it may be a function of time or velocity or displacement.
Consider the instantaneous velocity of a body this velocity is always in the direction of what the net force at that instant the least resistance at that instant or the motion at that instant?
the motion at that instant
When an object is in motion how can the average velocity be calculated?
it can be calculated at a particular instant as it is total displacement in given time
What is how fast a velocity is changing at a specific instant?
IF it changes to the completely opposite direction ... does a 180 or a "U-turn" ...then the velocity must be zero at that instant. But if the direction only changesby turning a corner or going around a bend, then there's no way to know whatthe velocity is without a lot more information.
What is instantaneous velocity or speed?
It is the speed or velocity at a particular instant.
When an object and acceleration is zero at some instant t in time its velocity is?
You can't derive the velocity from the acceleration. Zero acceleration simply means that the velocity (at that instant) is not changing.
