Question 3 (1 point) Is the outcome of this operation a scalar, vector, meaningless or not enough a . 2b - 3a . exb information? O Not enough information O Scalar Meaningless O VectorQuestion 5 (1 point) Suppose a . b - 2V3, a = V3 and 5 - 2V2 . What is the angle between the vectors a and b ? O 45 O 30 O 60 O 90Question 8 (1 point) If a =3 and b = 2 are collinear vectors, what is a . b equal to? O Not enough information to find a possible answer 09 2.5 O6Question 4 (1 point) Two forces of 4N and 5N act on an object and their corresponding force vectors have a dot product of 8. What is the angle between the two vectors? 62.73 degrees O 27.27 degrees O 23.58 degrees O 66.42 degrees