MathCastle
Multivariable CalculusMediumVector Calculus

Vector Calculus · Medium problem

A wire follows the curve r(t)=(t,t2)\mathbf r(t)=(t,t^2) for 0≤t≤10\le t\le1, with linear density δ(x,y)=x\delta(x,y)=x (grams per unit length). Find the total mass of the wire.