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15 Cards in this Set
- Front
- Back
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What is the equation for speed? |
speed (v) = distance(s) / time (t) |
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What are the units for speed? |
M / S |
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What are the units for acceleration? |
M / S² |
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What does a straight line show on a distance time graph? |
Constant speed |
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What is distance travelled in a particular direction? |
Displacement |
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Name 3 Vector quantities |
Velocity, Displacement, Acceleration |
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State the equation for acceleration |
Acceleration = Distance / Time |
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What does a horizontal line show on a velocity time graph? |
Objects moving at a constant velocity |
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What does a positive gradient on a VT graph show? |
Acceleration |
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What does a negative gradient on a VT graph show? |
Deceleration |
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How do you work out distance travelled from a VT graph? |
Find the area beneath the graph |
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What is the equation for average velocity? |
average velocity = (Initial v + final v) / 2 |
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What does a ticker tape machine measure? |
Speed |
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How do you use ticker tape? |
Steady speed - dots are same distance apart Spaces get bigger - object moves faster Spaces get smaller - object moves slower |
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How many dots does a ticker timer make every second? |
50 |
