# P2 - Velocity and Speed

• Formulas
• Graphs
• Acceleration
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What is the difference between spped and velocity?
Speed is just how fast you are going (e.g. 30m/s) with no regard to the direction. Velocity must also have the direction specified (e.g. 30m/s, 060 degrees).
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How do you calculate speed and velocity?
Speed = Distance / Time, Velocity = Distance / Time
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What is acceleration?
How quickly you're speeding up, or how quickly the velocity is changing.
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How do you calculate acceleration?
Acceleration = Change in Velocity / Time Taken
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What are the units for acceleration?
m/s/s or m/s squared
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What are distance - time graphs?
X axis = time, Y axis = distance, gradient = speed.
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What are velocity - time graphs?
X axis = time, Y axis = velocity, gradient = acceleration, speed = velocity reading, distance travelled = area under line.
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## Other cards in this set

### Card 2

#### Front

How do you calculate speed and velocity?

#### Back

Speed = Distance / Time, Velocity = Distance / Time

### Card 3

#### Front

What is acceleration?

### Card 4

#### Front

How do you calculate acceleration?

### Card 5

#### Front

What are the units for acceleration?