# Physics 2

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- Created by: Sarah
- Created on: 01-12-12 10:42

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- P2.1
- Distance-time graphs
- The gradient of a line on a distance-time graph represents speed
- Fast = steep
- speed (m/s) = distance (m) / time (s)

- Using graphs
- Velocity and acceleration
- Velocity = speed in a given direction (m/s)
- The acceleration of an object is its change of velocity per second
- Acceleration (m/s squared) = change in velocity (m/s) / time taken for the change (s)
- The acceleration of an object is its change of velocity per second

- Change in velocity = final velocity - initial velocity
- a (m/s squared) = v (m/s) - u (m/s)/ t (s)

- Deceleration = change in velocity per second when as object slows down

- More about velocity-time graphs
- The gradient of the line on a velocity-time graph represents acceleration
- Untitled

- Distance-time graphs

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