P9.2 Velocity and acceleration Flashcards
1
Q
What is velocity?
A
Speed in a given direction
2
Q
What is displacement?
A
The distance travelled in a given direction
3
Q
What is acceleration?
A
The change of velocity per second
4
Q
What is the formula for acceleration?
A
Change in velocity/ time take for change
(m/s)/s
5
Q
What is the formula for an object that accelerates steadily from an initial velocity?
A
v = u + at
Final velocity = initial + acceleration x time
6
Q
What is deceleration?
A
Also known as negative acceleration is used for any situation where an object slows down
