erikacastro2421
erikacastro2421
13.05.2021 • 
Mathematics

a) The displacement of a point is given by s = 2t3 + t2 + 6, where s is in meters and  t in seconds. Determine the displacement of the point when the velocity  changes from 8.4 m/s to 18 m/s. Find also the acceleration at the instant when  the velocity of the particle is 30 m/s ​

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