What do you know about speed?
This lesson presents the concept of speed.
Author: Tóth Katalin
velocity, motion, road, time, orbit, average speed, path, distance travelled, linear, curvilinear, time unit, means of transport, starting point, endpoint, movement, vector, smartphone, map, speedometer, stopwatch, modification, process, data, instrument, measurement, unit of measurement, physics, mathematics, transportation, technology, science
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