Posted by Hannah on Wednesday, May 16, 2012 at 9:51pm.
Two vectors have magnitudes 4m and 3m. Which choice is not a possible magnitude for their resultant?
3m, 1m, 7m, 12m
I chose 12m. Is this correct?

Physics(Please check thanks)  Count Iblis, Wednesday, May 16, 2012 at 9:57pm
Correct, this follows from the triangle inequality. For two vectors x, and y, you have:
x+y <= x + y

Physics(Please check thanks)  Hannah, Wednesday, May 16, 2012 at 10:03pm
Thank you!
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