Physics, asked by gangadevig467, 1 year ago

a body moving along a straight line covers a distance in three parts 3m 6m and 12m respectively with speed 7m/s average speed of the body and time taken in complete journey is​

Answers

Answered by sanskriiiii
7

Answer:

3sec

Explanation:

d/v=t

21/7=3

3sec

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