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Question Number 155643 by zen17 last updated on 03/Oct/21

Commented by yeti123 last updated on 03/Oct/21

s = (1/6)t^4 − (7/6)t^3 − 7t^2 + (1/2)t + 1 v = (ds/dt) = (4/6)t^3 − ((21)/6)t^2 − 14t + (1/2) (dv/dt) = a ((12)/6)t^2 − ((42)/6)t − 14 = 1 2t^2 − 7t − 15 = 0 t = 2 + (1/2)(√(46)) v =^(t=2+(1/2)(√(46))) (4/6)(2 + (1/2)(√(46))) − ((21)/6)(2 + (1/2)(√(46))) − 14(2 + (1/2)(√(46))) + (1/2)

s=16t4−76t3−7t2+12t+1v=dsdt=46t3−216t2−14t+12dvdt=a126t2−426t−14=12t2−7t−15=0t=2+1246v=t=2+124646(2+1246)−216(2+1246)−14(2+1246)+12

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