A. Their dot product
B. Their cross product
C. Head to tail rule
D. Right-hand rule
A. ??3 i^ + ??3 j^ + ??3 k^
B. 1/??3 i^ + 1/??3 j^ +1/ ??3 k^
C. ??3 / 3 i^ + ??3 / 3 j^ + ??3 / 3 k^
D. Both B and C are correct
A. Zero magnitude
B. No specified direction
C. Both A and B are correct
D. Both A and B are not correct
A. West
B. North
C. Down
D. Up
A. Head to tail rule
B. Right-hand rule
C. Left-hand rule
D. Triangular rule
A. 1
B. i^
C. j^
D. k^
A. A.B = A^ B^
B. |A| = |B|
C. |A^| = |B^|
D. AB^ = BA^
A. B is anti-parallel to A
B. B is a negative vector of A
C. B has a negative magnitude
D. B is perpendicular to A
A. A.B/A
B. A.B/B
C. A.cosθ
D. Both a and b are correct
A. 1st
B. 2nd
C. Both 1st and 3rd
D. 4th