Q)
(chatquestion)...1.
The x and y components of vector A are 4m and 6m respectively. The x and y components of vector
A + B are 10m and 9m respectively. For the vector B calculate the following -
(b) length and
(a) x and y components
(c) the angle it makes with x-axis
2.
Find the directional cosines of vector (5i + 2j +6k). Also write the value of sum of squares of directional cosines
of this vector.
If Ā = 6î - 6j + 5k and B=î+ 2ĵ - k, then find a unit vector parallel to the resultant of Ā & B.
Illust
3.
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