(1) Let a: (0,1,3),5'= (2, 4,0). a) Find the vector 5' = (if x 5. b) What is the unit vector in the direction of 6'? 0) Write down an arbritrary vector in the direction of 6'. d) What physical measure does the cross product give? Provide a sketch. e) What is the dot product of (1' and 5. f) What physical measure does the dot product give? Provide a sketch