2.34. Solve:(a)The velocity is the integral of the acceleration. ()11102210000 m/s101010tttxxxtvvadttdtt t=+=+− = −= −∫∫The velocity is zero when ( )( )211110100 sor20 sxvtttt==−=−×⇒==The first solution is the initial condition. Thus the particle’s velocity is again 0 m/s at 120 s.t=(b)Position is the integral of the velocity. At
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