End Of Unit Questions Flashcards
1
Q
What does the distance time graph for a stationary object look like?
A
A horizontal line
2
Q
What quantity has the units m/s2?
A
Acceleration
3
Q
What does a negative value for acceleration mean?
A
The object is getting slower
4
Q
What happens to the gradient of a line on a distance time graph if the speed increases?
A
It gets steeper
5
Q
How can an object travelling at a steady speed be accelerating?
A
It is changing direction, which means it’s velocity is changing which means it is accelerating
6
Q
A car accelerates from a rest to a speed of 40m/s in 10s. What is its acceleration?
A
4m/s2
7
Q
What part of a velocity time graph represent distance travelled?
A
The area underneath the line
8
Q
What is the average speed of a car that completes 1.2km in 1 minute?
A
20m/s
