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2. Solve the problem The motor exerts a force of \( \mathrm{F}=20 \mathrm{t}^{2} \mathrm{~N} \) on the cable where \( t \) is in seconds. Determine speed of the \( 25 \mathrm{~kg} \) crate when \( \mathrm{t}=4 \mathrm{~s} \). The coefficients of static and kinetic friction between crate and a plane are \( \mu=0.3 \) and \( \mu_{k}=0.25 \) respectovely

Given: Force, F = 20t ^ 2 Mass of the crate, m = 25 kg Coeffi

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