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What is the formula for speed?
Average speed= distance/time
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What does the gradient of a distance-time graph show?
The speed of the object, a higher speed means a steeper gradient
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What does a straight line on a distance-time graph indicate?
That the speed is constant
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What does a curved line on a distance time-graph show?
That the speed is changing
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What is the area under a speed-time graph equal to?
The distance travelled
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What is the formula for measuring acceleration?
acceleration=change in seed(velocity)/ time taken
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What is acceleration measured in?
Metres per second squared (m/s squared)
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What is velocity? Why?
A vector, it has both size (speed) and direction
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When two cars are moving past each other, what is their relative velocity? (Two things)
1- The sum of their individual velocities if they are going in opposite directions. 2--The difference of their individual velocities if they are going in the same direction.
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Even if a vehicle goes around a roundabout at a constant speed it is still accelerating, why?
Its direction of travel is changing, it's not going in a straight line
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Any object moving along a circular path moves at a...?
Tangent to the circle, or arc of a circle
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Other cards in this set

Card 2

Front

What does the gradient of a distance-time graph show?

Back

The speed of the object, a higher speed means a steeper gradient

Card 3

Front

What does a straight line on a distance-time graph indicate?

Back

Preview of the front of card 3

Card 4

Front

What does a curved line on a distance time-graph show?

Back

Preview of the front of card 4

Card 5

Front

What is the area under a speed-time graph equal to?

Back

Preview of the front of card 5
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