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Transport

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Measurement of average speed

Done by measuring a distance with a tape then measuring the time with a stop clock.

Slide 2

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TRANSPORT

THEN AVERAGE SPEED =

Distance /time

Measured in metres per second (m/s)

Slide 3

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TRANSPORT

Instantaneous speed is the speed over a small distance e.g. 5cm.

This is done with a light gate attached to a computer

Slide 4

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Acceleration

This is the change in speed divide by the time taken

Slide 5

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Slide 6

Energy matters

Energy matters

Electricity sold at peak price.

Electrcity bought back at night at low price and used to pump water back up to the top dam.

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