velocity and distance time graphs Flashcards
1
Q
what does speed and velocity mean
A
how fast you’re going
2
Q
what is speed and velocity measured in
A
m/s
3
Q
what is speed
A
how fast you are going no matter the direction
4
Q
what is velocity
A
how fast you are going and in what direction e.g (north)
5
Q
what is the equation for speed
A
speed= distance / time
6
Q
what does the gradient of a line, on a distance time graph, show
A
how fast the object is travelling
7
Q
what does a straight horizontal line of a distance time graph show
A
the object has stopped
8
Q
what does a downhill line show
A
the object is travelling back towards the starting point
9
Q
what does a steepening curve show
A
accelerating
10
Q
what does a levelling off curve show
A
decelerating
11
Q
how do you calculate speed on a distance time graph
A
rise / run
