Random Q&A Flashcards
1
Q
What is a typical walking speed?
A
1.5m/s
2
Q
What quantity is rate of change of velocity?
A
Acceleration
3
Q
How is speed found from a
distance-time graph?
A
It’s the gradient of the line
4
Q
How is velocity found from a
velocity-time graph?
A
It is read from the vertical (y) axis
5
Q
How is acceleration found from a
velocity-time graph?
A
It’s the gradient of the line
6
Q
What is the acceleration of a horse that accelerates from rest to 4 m/s in 8 seconds?
A
0.5 m/s²
4/8= 0.5 m/s²
7
Q
what is the unit of acceleration?
A
meters per second squared m/s²
8
Q
What is the typical speed for a bicycle?
A
6 m/s
9
Q
What is the average speed of a runner that travels 200m in 40 seconds?
A
5 m/s
(speed=distance/time)
10
Q
How is displacement found from a
velocity-time graph?
A
It’s the area under the line
