chapter 9- motion Flashcards
1
Q
what is speed?
A
the change of rate of an objects position
2
Q
how is speed worked out?
A
distance travelled / time. it is measured in meters per second
3
Q
what does a distance time graph show?
A
an objects motion and to find the speed
4
Q
what is velocity?
A
speed with a direction
5
Q
how is acceleration worked out?
A
change in speed / time. it is measured in metres per second every second
6
Q
how do you work out the distance travelled from a velocity- time graph?
A
working out the area underneath
