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Calculate impulse of force vecF=(3t^2hat...

Calculate impulse of force `vecF=(3t^2hati-(2t-1)hatj+2hatk)N` over the time interval from t=1s to t=3s.

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`vecI_mp=int_(t1)^(ti)vecFdtrarr " "vecI_(mp)=int_1^3(3t^2hati-(2t-1)hatj+2hatk)dt=[t^3hati-(t^2-t)hatj+2tk]_1^`
`=(26hati-6hatj+4hatk)N-s`
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