Acceleration and Velocity
- Created by: antoniaewhitley
- Created on: 25-05-14 14:18
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- Acceleration and Velocity
- Acceleration is how quickly your speeding up. The change of velocity in a certain amount of time
- Deceleration is just negative acceleration (slows down)
- Velocity- Time Graphs
- Gradient= acceleration
- Flat sections represent moving in a straight linr at a constant speed
- The steeper the gradient, the greater the acceleration or deceleration
- Uphill sections (/) are acceleration in a straight line
- Downhill sections (\) are deceleration in a straight line
- The area of any section of the graph (or all of it) is equal to the displacement (distance) travelled in that time interval
- A curve means changing acceleration
- Negative velocity means that the object is travelling in the opposite direction
- Speed-time graphs are similar to velocity-time graphs but ignore direction
- You can calculate acceleration but only if the direction of movement doesn't change
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