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[" A particle is moving along straight l...

[" A particle is moving along straight line whose position "x" at time tis described by "x=t^(3)-t^(2)" where "x" is in meters and "],[" tis in seconds.Then the average acceleration from "t=2" sec-tot "=4" sec.is: "],[[" (1) "16m/s^(2)," (2) "18m/s^(2)," (3) "22m/s," (4) "10m/s^(2)]],[," 0."]

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