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Phys 103, Velocity

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Author: Jesse Olson
Description:

Relate velocity, displacement (distance), and time to each other.
Solve equations for velocity, time, and displacement.
Differentiate between speed and velocity, and distance and displacement.

This packet introduces the concept of velocity and how it relates to speed. Vector quantities are differentiated from scalar quantities, as these are often used interchangeably in non-scientific realms.

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Tutorial

New words for this packet

Velocity - An objects speed in a particular direction.  This is a vector which includes a numeric speed value AND a direction.

Displacement - A vector value of how far an object is from its starting point.

Initial Position/Final Position - The beginning location of an object and the ending location of that same object.  Used to find displacement.

Delta Time (Δt) -  The change in time.  Found by subtracting the initial time from the final time.

Heads Up: Get used to seeing the delta (Δ) symbol and KNOW that it means "change in".  You will see it a lot in physics!

Source: olson

What is velocity?

This slide show introduces some of the important aspects of velocity. There are also 3 example problems illustrating typical questions seen in this topic area.

Source: olson