29. Find the rectangular components ( along X and Y axis ) of a velocity vector 10root3 m/sec, making an angle of 60° to the X -axis?
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Answer:
Component along x-axis,
10cosα=8
Component along y-axis,
10sinα=6
Diving equation 2 by 1,
cosα
sinα
=
8
6
tanα=
4
3
α=tan
−
4
3
=36.869
0
Angle made with x-axis =36.869
0
Angle made with y-axis =90
0
−36.869
0
=53.13
0
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- The Units of Ans. are m/s
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