Suppose that vectors u and v have lengths 1 and 2, respectively. If the angle between u and v is 3(pi)/4, what is the projection of u onto v?

Options:
A. -sqrt(2)v(sqrt(2))/(sqrt(2))
B. -sqrt(2)v(sqrt(2))/(2)
C. -sqrt(2)v(sqrt(2))/(4)
D. -sqrt(2)v(sqrt(2))/(8)