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What is a measure of the distance an object travels per unit of time?
speed
What does velocity have that speed doesn't?
direction
Does speed has magnitude, direction, or both?
magnitude
Does velocity have magnitude, direction, or both?
both
What type of speed does an object have if it travels the same amount of distance per second?
constant speed
What is the speed of an object at a specific instant in time?
instantaneous speed
What is the formula for average speed?
total distance / total time
What is the speed and direction of a moving object?
velocity
Is speed a scalar or vector quantity?
scalar because it only has magnitude
Is velocity a scalar or vector quantity?
vector because it has magnitude and direction
Is 30 miles per hour a speed or a velocity?
speed because there is no direction
Is 50 miles per hour North a speed or a velocity?
velocity because it has a magnitude and a direction
If a car changes its direction but does not change its speed, does velocity change?
yes
What are two ways that you can change an object's velocity?
change its speed and change its direction
If a car travels at a constant speed but changes its direction, does its speed change?
no
Is meters per second a unit of speed?
yes
