Reference point - CORRECT ANSWER A ___________ is a starting point you choose to describe the
location, or position, of an object.
Position - CORRECT ANSWER A __________ is an object's distance and direction from a reference point.
Direction - CORRECT ANSWER A complete description of a position includes a distance, a
____________ , and a reference point.
Reference point - CORRECT ANSWER A good choice for a ___________ is something that is easy to find.
Position - CORRECT ANSWER If a reference point changes, the description of an object's ____________
will also change.
Location - CORRECT ANSWER Changing a reference point does not change the actual _____________ of
an object.
Point - CORRECT ANSWER When you describe an object's position, you compare it's location to a
reference ____________.
Positive - CORRECT ANSWER A reference direction can be described as a _____________ direction.
Negative - CORRECT ANSWER The opposite direction is the ____________ direction.
Dimensions - CORRECT ANSWER When you describe position using two directions, you are using two
____________.
Reference - CORRECT ANSWER Examples of _________ directions in two dimensions include "north and
east" and "right and forward."
, Point then direction and then distance - CORRECT ANSWER To find a position in two dimensions, first
choose a reference __________. Next specify reference __________. Then determine the ___________
along each reference direction.
Motion and the reference point - CORRECT ANSWER _________ is the process of changing position. It is
always described relative to a _________ __________.
Reference point then reference point - CORRECT ANSWER It is possible to move with regard to one
_________ _______ and stay motionless with regard to another _______ _________.
Speed - CORRECT ANSWER _________ is a measure of the distance an object travels per unit of time?
Distance - CORRECT ANSWER Units of speed are units of _________ divided by units of time.
Meters - CORRECT ANSWER The SI unit for speed is _________ per second.
Constant speed - CORRECT ANSWER _________________ is the rate of change of position in which the
same distance is traveled each second.
Instantanious speed - CORRECT ANSWER ___________ is the speed at a specific instant in time
Average speed - CORRECT ANSWER ______________ is the total distance traveled divided by the total
time it took to go that distance
Distance - CORRECT ANSWER The equation for average speeds v=d/t, where the symbol v stands for
average speed, d stands for ____________ and t stands for total time
Distance-time - CORRECT ANSWER Graphs that compare distance and time Are called _____________
graphs
Straight - CORRECT ANSWER Constant speed is shown as a(n) ______ line on a distance time Graph