A long thin rod has its one end at x = 0 and the other end at x = 2 m.Its composition is such that the linear mass density changes with length according to $\lambda$(x)= ax² + bx+c,where x is the distance from one end of the rod.Given: a = 0.75 kg/m³,b = 0.5 kg/m²,and c = .25 kg/m,the mass of the rod is A)2.9 kg B)2.1 kg C)3.5 kg D)0.75 kg E)4.3 kg

Question

Quizplus · Accepted Answer

The Answer of A long thin rod has its one end at x = 0 and the other end at x = 2 m.Its composition is such that the linear mass density changes with length according to $\lambda$(x)= ax² + bx+c,where x is the distance from one end of the rod.Given: a = 0.75 kg/m³,b = 0.5 kg/m²,and c = .25 kg/m,the mass of the rod is A)2.9 kg B)2.1 kg C)3.5 kg D)0.75 kg E)4.3 kg

A Long Thin Rod Has Its One End at X λ\lambdaλ

A Long Thin Rod Has Its One End at X $\lambda$