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Physics 18 Online
OpenStudy (anonymous):

what is the difference between speed and velocity? Give an example of each.

OpenStudy (anonymous):

Speed is a scalar quantity, meaning it only has a magnitude and not a direction. Velocity is a vector quantity, meaning it has a magnitude and a direction. An example of speed is 30 m/s and the velocity would be stated as 30 m/s to the east. Another thing is that because velocity has a direction, it could also be a negative value depending on where the object started. Let's say the object starts at position 0 and moves to the right at 30 m/s. Usually, moving to the right means the object has a velocity of positive 30 m/s. If it moves to the left, it would have a velocity of negative 30m/s. The speed can only have a positive value.

OpenStudy (anonymous):

I second that

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