Let vectors u = 8i + 3j and v = u = -6i + 16j.

a) Calculate ??????, the magnitude of u, and simplify the exact value. Show work.

(b) Calculate the dot product u ? v. Show work.

(c) Determine the angle between u and v. Round the result to the nearest degree. Show work.

15. Let vectors u = Si + 3j and v= u =-6i + 16j. (a) Calculate ull, the magnitude of u, and simplify the exact value. Show work. (b) Calculate the dot product u . v. Show work. (c) Determine the angle between u and v. Round the result to the nearest degree. Show work