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A particle moves in the x direction according to the equation x(t)=bt3+ct2+d, where b = 7.0...

A particle moves in the x direction according to the equation x(t)=bt3+ct2+d, where b = 7.0 m/s3 , c = -11 m/s2 , and d = 20 m.

What is its AVERAGE ACCELERATION in the interval t = 2.0 s to t = 5.0 s?

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