Recent content by bioblade

Or the same class from two years back? I'm actually working on this same problem now and can't really figure it out...

Ah, I got it now. Thanks!

Homework Statement Solve: 3dy/dx+y=(1-2x)y^4 Homework Equations None, really. The Attempt at a Solution y'+y/3=((1-2x)/3)y^4 y'/y^4+1/3y^3=(1-2x)/3 w=1/y^3 w'=(-3/y^4)y' w'/-3+w/3=(1-2x)/3 w'-w=2x-1 e^int(-dx)=e^-x e^(-x)*w=-e^-x(2x-1)+c w=1-2x+c*e^x...

Homework Statement Ship A is located 4.8 km north and 3.0 km east of ship B. Ship A has a velocity of 22 km/h toward the south and ship B has a velocity of 40 km/h in a direction 37° north of east. (a) What is the velocity of A relative to B (Express your answer in terms of the unit vectors i...