A truck travels up an incline that is defined by the function y=-0.003x^2+17 ft. the truck has a constant speed of 65ft/s. Determine the x and y components velocities at x=80 ft

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Ans -{:[y=-0.003x^(2)+17],[(dy)/(dx)=-0.006 x+0],[" at "x=8ft],[(dy)/(dx)=-0.006 xx theta=-0.048],[(dy)/(dx)=" slope of tangent at "x=8ft],[" we kno ... See the full answer