0.75' C D a 4.5' N 0.5' B 10.5' 2.5' X if distance a=3.9 ft, answer the questions using the following vector notation (x, y, z) a) What is the vector OA ft b) What is the vector OB ft c) What is the vector OC ft d) What is the vector OD ft e) What is the vector AB ft f) What is the vector CD ft g) What is the vector DC ft h) What is the vector BA d) What is the vector OD ft e) What is the vector AB ft f) What is the vector CD ft g) What is the vector DC ft h) What is the vector BA ft i) What is the length of the vector CD? ft j) if the tension in cable AB is 47 lbs, write a vector for the force on A due to the cable