The numbers 0. 12.3are called whole numbers. Which whole number is closest to the number shown by the pointer? O (A) 10 O (B) 12 0 (0) 13 O (D) 14
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Answer:
n a two - dimensional motion of a particle, the particle moves from point A, with position vector
[
r
1
], to point B, with position vector
r
2
. If the magnitudes of these vectors are , respectively, r
1
=3 and r
2
=4 and the angles they make with the x - axis are θ
1
=75
o
and θ
2
=15
o
respectively, then find the magnitude of the displacement vector.
Explanation:
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