Donate SIGN UP
Home > Science > Two vectors A and B have precisely equal magnitudes. For the magnitude of A + B to be 78 times greater than the magnitude of A - B, what must be the angle between them?

Two vectors A and B have precisely equal magnitudes. For the magnitude of A + B to be 78 times greater than the magnitude of A - B, what must be the angle between them?

Avatar Image
wilfred_cho | 01:54 Tue 21st Sep 2010 | Science
2 Answers
not 130° not 178°
prev Vectors A and B have equal magnitudes of 4.98. If the sum of A and B is the vector 6.34j, determine the angle between A and B.
  
next Earth's magnetic poles
Gravatar

Answers

1 to 2 of 2rss feed

Avatar Image
vascop
Best Answer
1.47 degrees. If you want details then ask and I'll provide them.
16:34 Tue 21st Sep 2010
Go To Best Answer
Avatar Image vascop
1.47 degrees. If you want details then ask and I'll provide them.
16:34 Tue 21st Sep 2010
Avatar Image nightmare
Type Your Answer Here...
I agree with Vascop - approx. 1.47°
This is considerably easier to work out than the other vector question..............
12:18 Wed 22nd Sep 2010

1 to 2 of 2rss feed

Do you know the answer?

Two vectors A and B have precisely equal magnitudes. For the magnitude of A + B to be 78 times greater than the magnitude of A - B, what must be the angle between them?

Answer Question >>

Related Questions

Sorry, we can't find any related questions. Try using the search bar at the top of the page to search for some keywords, or choose a topic and submit your own question.