A rolling ball moves from x1x1 = 8.1 cmcm to x2x2 = -5.0 cmcm during the time from t1t1 = 3.0 ss to t2t2 = 6.4 ss What is its average velocity over this time interval? Express your answer using two significant figures.

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Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –