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a body travels half the distance with speed of 20 m/s and the other half with speed of 30m/s.Thee average velocity of the body during whole journey is |
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Answer» Answer: I think it's 24m/s... Explanation: total distance= x+x=2x first time interval=x/20 s second time interval=x/30 s av velocity= total distance/ total time = 2x/x/20+x/30 simplify and you'll GET 24m/ s |
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