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