Question

(B) 7
(C) 413
(D) none
The angle between the vectors (i+j) and (j+k) is
(A) 90° (B) 60° (C) 30 (D) 45
Avector perpendicular to (4)
(A) 4113)
(C) 61
(D) 31-4;
The two vectors have magnitude 3 and 5. If angle
between them is 60°, then the dot product of two
vectors will be
(A) 7.5 (B) 6.5 (C) 8.4 (D) 7.9
With respect to a rectangular cartesian coordinate
system, three vectors are expressed as
= 4ỉ - j, 5 = -3i+2j and c = -k
here î, j and k are unit vectors, along the X, Y
Z-axis respectively. The unit vectors f along
direction of sum these vector is
Jolit jak) (B) +- tz (i +36)​

Answer 1

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