How do you find speed in physics?
Speed can be found by using the values of distance and time given for a certain movement. The formula to find speed is S = d/t, where S is speed, d is distance, and t is time.
How do you calculate speed?
Speed is measure in meters per second (SI). Therefore, it is given by a division between distance and time. The formula is S = d/t.



















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A man walks 20km in 4hrs. find his speed.
A car covers a distance of 450m in 1min whereas a train covers 69km in 45 min.find ratio of speeds.
To know speed of vehicle we use instrument?
Unit of speed?