That is our change in velocity

We know also that velocity, or let's say the change in velocity, is equal to the final velocity minus the initial velocity.

(b) the total velocity change,

Acceleration is equal to a change in velocity is equal to a change in velocity over time, or we could say, over change, over a change in time.

Our change in velocity would look like that

Velocity really is just distance divided by time, or actually, change in distance divided by times change in time or, change in distance divided by change in times is velocity.

So what's the change in velocity in this situation?

Now it could be the velocity doesn't change, if the velocity doesn't change then you're fixed, then you're in an equilibrium, but if the velocity does change, it has to go down.

Change in distance is equal to the average velocity.

It would look something like that change in velocity

Well, the change in velocity first of all, is perpendicular to the direction of the velocity itself

You could say that my average velocity equals just change in distance divided by change in times.

It tells us...If you apply a force, it might change the constant velocity but how does it change that constant velocity?

So between those two points in time, this is our change in velocity

So the velocity of something is its change in position, ... ... including the direction of its change in postition.

Final velocity is minus 100 meters per second, and then the initial velocity is 0, so the change in velocity is equal to minus 100 meters per second.

In the next presentation, I'm just going to keep doing problems, and hopefully you'll realize that everything really just boils down to average velocity change in velocity is acceleration times time, and change in distance is equal to change in time times average velocity, which we all did just now.

So, the change in distance is equal to the average velocity times time.

The change in velocity between those two times was that right over there

So the force must be acting in the same direction as this change in velocity

At this point, the change in velocity would have to be going generally in that direction

The change in velocity is constantly going in the direction of the center of our circle

So between this magenta time and this purple time what was the change in velocity?

So what do you see, if I were to keep drawing more of these change in velocity vectors you would see at this point, the change in velocity would have to be going generally in that direction

Assuming no drastic change in velocity, you expect that the 5th position would be over here.

Velocity X and Velocity Y

The whole reason why I drew these vectors and then translate them over here and drew these change in velocity vectors is to show you that the change in velocity is actually towards the center of this circle

In astrodynamics, this energy expenditure is defined by the net change in the spacecraft's velocity, or delta v.

And then we said, well, the velocity, if we know the distance, the velocity is just the change of the distance with respect to time.

This hopefully is intuitive to you, that the change is just the final velocity minus the initial velocity, and that that equals acceleration times time.

Velocity

velocity

Velocity

Velocity.

The first thing that changed and is still changing is the velocity of change itself.

The average velocity is just the average of the initial velocity and the final velocity.

Velocity matching

Angular velocity

Max velocity

Input velocity

LSR Velocity

Mean velocity

velocity variance

Velocity X

Velocity Y