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equations for average speed. Dt short form for the change in time Dt t 1 t 2 t 3 t n. Assess what information you are given.
For example if the total distance travelled was 250 miles and the time it took was 5 hours then the average speed was 250 5 50 miles per hour mph. Let the distance from the point A to point B be 100 miles. Average Speed Formula Derivation.
Hence the correct option here is C 48 kmhr.
D t D t. Distance speed and time formulae. How To Calculate Average Speed. Speed or rate r is a scalar quantity that measures the distance traveled d over the change in time Dt represented by the equation r dDt.