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USING THE TACHYMETER
measuring the approximate speed of a vehicle
(E.g.)
vehicle to travel km or mile (the available
measuring range is up to seconds), the
calculated.
commence travel.
. After the vehicle has travelled km/ mile,
stop the chronograph.
STOPWATCH
SECOND HAND
45 SECONDS ELAPSED
THE AVERAGE SPEED IS 80 KPH
910
(depending on model).
seconds to travel km so the approximate
average speed is kph ( mph).