P9 Flashcards
1
Q
Equation for speed
A
Speed=distance/time
2
Q
If somebody completes a 3km race track in 90s what is their speed
A
3000/90=33.3
3
Q
What is the difference between speed and velocity
A
Velocity is speed in a given direction whether as speed is just how quickly something moves
4
Q
Equation for acceleration with velocity and time
A
Acceleratiom=change in velocity/time taken for change
5
Q
What does a straight horizontal line on a velocity time graph mean
A
Constant velocity
6
Q
Equation for the gradient of the line
A
Gradient=height of triangle/base of triangle
7
Q
What is the acceleration of an object represented by in a velocity time graph
A
The gradient of the line
8
Q
What is the distance of an object represented by in a velocity time graph
A
The area under the velocity time graph
