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

Solution Summary

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

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