speed,distance and time ks3

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what is the equation for speed?
speed=distance x time
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speed distance and time
If you are given the distance travelled in km, multiply it by 1000 to get the distance in m. For example, 3.5 km is 3500 m (3.5 × 1000).
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what is the unit for speed?
metres per second (M/S)
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what is a distance time graph?
A distance-time graph is a useful way to represent the motion of an object.
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what does a distance time graph show?
. It shows how the distance moved from a starting point changes over time.
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what is the gradient of the line equal to in a distance time graph??
The gradient of the line is equal to the speed.
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what does a straight diagonal line represent in a distance time graph?
a straight diagonal for an object moving at a constant speed
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what does a horizontal line represent in a distance time graph?
a horizontal line represents a stationary object(because the distance stays the same).
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distance time graph information
The steeper the line, the greater the gradient and the greater the speed.
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what is relative motion?
The relative velocity is the velocity of an object or observer B in the rest frame of another object or observer A.
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relative motion
if the objects are travelling in the same direction you minus the speeds of the cars.
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relative motion
if the objects are travelling in the different directions you add the speeds of the cars.
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Card 2

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speed distance and time

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If you are given the distance travelled in km, multiply it by 1000 to get the distance in m. For example, 3.5 km is 3500 m (3.5 × 1000).

Card 3

Front

what is the unit for speed?

Back

Preview of the front of card 3

Card 4

Front

what is a distance time graph?

Back

Preview of the front of card 4

Card 5

Front

what does a distance time graph show?

Back

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