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MCAT-GRAPHS
Useful Graphs
Question | Answer |
---|---|
x vs. t : slope | instantaneous velocity |
x vs. t: upward slope | positive velocity (moving to the right) |
x vs. t: downward slope | negative velocity (moving to the left) |
x vs. t: curved line | changing slope --> acceleration |
x vs. t: area beneath curve | no sig |
x vs. t: straight line | constant velocity if sloped, not moving if horizontal straight line |
v vs. t: upward slope | positive acceleration |
v vs. t: downward slope | negative acceleration |
v vs. t: area under curve | displacement |
v vs. t: slope | instantaneous "a" |
v vs. t: what indicates moving to the right? | anything above x-axis |
v vs. t: what indicates moving to the left? | anything below x-axis |
v vs. t: horizontal straight line | constant velocity (no acceleration) |
General rule for x vs. t / v vs. t graphs, straight line? | constant "a" and constant "v" |
General rule for x vs. t / v vs. t graphs, curved line? | changing "a" and constant "v" |
When x is independent of y, x is ______ for all y. | constant |