The magnitude of resultant of two vectors acting at an angle ofto each other isunits. The first vector has magnitude of 4 units. The magnitude of second vector is _________units.
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Answer:Let us call 4 unit vector as A. So. |A|=4 unit.
Now, we call another given vector as B. So, |B|=3 unit.
We select a two dimensional coordinate system such that x axis coincides with A.
Therefore, A=(4.0).
B=(3 cos 30 degree, 3 sin 30 degree)
B=(3 sqrt3/2, 3/2).
Therefore ,
A+B=[4+(3/2)(1.73) , 3/2] This is resultant vector.
Explanation:
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