GCSE Maths (Edexcel)
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Kinematic Graphs
- There are different kinds of graphs used in kinematics, including distance time graphs, displacement time graphs, and velocity time graphs.
- Distance time graphs show how far an object has moved after a certain period of time.
- Displacement time graphs show how far away an object is from an origin point at a point in time.
- Displacement is a vector, representing how far an object has moved from a particular starting point, while distance is a scalar, representing the overall distance traveled.
- The gradients of displacement time graphs can tell us the direction of motion, with positive gradients indicating movement away from the starting point and negative gradients indicating movement back towards the starting point.
- Velocity time graphs show the velocity of an object at a certain point in time.
- Velocity is similar to speed, but also includes the direction of motion.
- The gradients of velocity time graphs can tell us if the object is speeding up or slowing down, with positive gradients indicating acceleration and negative gradients indicating deceleration.
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