P3 - Changing speed Flashcards
1
Q
What does a speed time graph show?
A
A speed time graph shows how the speed of an object changes with time.
2
Q
What is acceleration?
A
An increase in speed.
3
Q
What is acceleration measured in?
A
Acceleration is measured in m/s^2.
4
Q
What is the formula for acceleration?
A
Acceleration = change in speed/time taken.
5
Q
What is velocity?
A
Velocity is the speed of a moving object in a known direction.
6
Q
How can an object accelerate if its speed is constant?
A
This is because its direction may be changing.
