# Vectors and magnitude

Please give the solution and step by step instructions on how to do these. I learn by examples.

1) Vector A has a magnitude of 10. Vector B has a magnitude of 7. The magnitude of the vector sum of A and B is

17

3

-3

between 17 and -3

none of these

2) To find magnitude of a vector

calc the sum of its components

calc its directions

calc the sq. root of the sum of the squares of its components

divide the vector by a unit vector

none of above

https://brainmass.com/physics/scalar-and-vector-operations/vectors-magnitude-24185

#### Solution Preview

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1) Vector A has a magnitude of 10. Vector B has a magnitude of 7. The magnitude of the vector sum of A and B is

17

3

-3

between 17 ...

#### Solution Summary

This solution is provided in 129 words. It uses calculations to find magnitude of a vector.

$2.19