Calculating magnitude of a vector and height

Not what you're looking for? Search our solutions OR ask your own Custom question.

This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

If A = (12i - 16j) and B = (-24i+10j), what is the magnitude of the vector C=(2A-B)?

Answers:
a) 42
b) 22
c) 64
d) 90

An archer shoots an arrow with a velocity of 45 m/s at an angle of 50 degrees with the horizontal. What is the height of the arrow at a point 150 meters downrange?

Answers:
a) 4.7 m
b) 47.0 m
c) 5.6 m
d) 56.0 m

Thank you.

© BrainMass Inc. brainmass.com December 24, 2021, 5:02 pm ad1c9bdddf
https://brainmass.com/physics/scalar-and-vector-operations/calculating-magnitude-of-a-vector-and-height-23288

Solution Summary

This solution is provided in 124 words in an attached .doc file. It uses simple calculation to find the magnitude of a vector and uses a diagram to as well as calculations to find height.

$2.49