Let magnitude of vector u is equal to 4 at an angle of 210 degrees and magnitude of vector v is equal to 9 at an angle of 315 degrees , and vector w is equal to vector u minus vector v What is the magnitude and direction angle of vector w ?
Answer
A
magnitude of vector w is equal to 10 point 8 ; theta is equal to 156.1 degrees
B
magnitude of vector w is equal to 5 point 5 ; theta is equal to 156.1 degrees
C
magnitude of vector w is equal to 5 point 5 ; theta is equal to 203.9 degrees
D
magnitude of vector w is equal to 10 point 8 ; theta is equal to 203.9 degrees