Question

A dancer demonstrating dance steps along a straight line. The displacement time graph is given.

Find the average speed for the dance step depicted by CD.Open in App

Updated on : 2022-09-05

Solution

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Correct option is B)

Average speed is defined as the ratio of the distance covered to the total time taken .

Average speed $s_{av}=timetakenDistancecovered $

For step CD

Initial position is $4$, final position is $0$, hence distance covered $=4m$

Total time is $6−4=2sec$

So average speed is $s=24 =2m/s$

So option $B$ is correct.

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