11614729
Description
Mind Map by Joshua Hallesy , updated more than 1 year ago
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Created by Joshua Hallesy
over 6 years ago
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As Mechanics
- Velocity and acceleration
- Rate of movement
- Velocity (ms-1)=Displacement (m) / Time (t)
Annotations:
- This can also be shown as the simpler as Speed=distance/time
- Velocity is the the speed of an object but with a direction
- Displacement is the distance but with a direction
- These are known as Vector Quantities
- Displacement is the distance but with a direction
- Velocity (ms-1)=Displacement (m) / Time (t)
- Average and instantaneous speed
- Average speed is calculated by
dividing the total distance by
total time
- To get instantaneous speed
you draw a tangent onto a
displacement time graph
- Example of tangent
- You work out the gradient to get
the speed. Using the change in X/
Change in Y
Annotations:
- Delta X/Delta Y Draw delta using a triangle before the letter
- Example of tangent
- Average speed is calculated by
dividing the total distance by
total time
- Acceleration
- Is defined by the rate of change in
velocity
- Acceleration (ms-2)= Change in velocity
(ms-1)/time taken for velocity to change (s)
- Is defined by the rate of change in
velocity
- Rate of movement
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