physics unit 2 Flashcards
(6 cards)
1
Q
what is a distance time graph
A
a graph showing how a objects speed changes over time
2
Q
what does relative motion mean
A
the speed of a moving object viewed from another object
3
Q
if two objects are moving in different directions how do you calculate the relative motion
A
adding both speeds together
4
Q
if two objects are moving in the same direction how do you calculate their relative motion
A
subtracting ones from another
5
Q
what does a horizontal line on a distance time graph mean
A
it has not moved over the certain time
6
Q
what does a slope on a distance time graph mean
A
the object is moving
