The vector u has a length of 7 and the vector has a length of 1. When the tails of the two vectors touch one another, the vectors make an angle of 120°. Find the dot product u. v. Round your answer to 1 decimal place. Submit par This feedback is based on your last submitted answer. Submit your changed answer to get updated feedback. * Your answer is incorrect. You scored 0 marks for this part. S

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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The vector u has a length of 7 and the vector has a length of 1. When the tails of the
two vectors touch one another, the vectors make an angle of 120°.
Find the dot product u. v.
Round your answer to 1 decimal place.
This feedback is based on your last submitted answer. Submit your changed
answer to get updated feedback.
* Your answer is incorrect.
You scored 0 marks for this part.
Submit par
D)
Find the magnitude of the cross product u x v.
Round your answer to 1 decimal place.
S
Transcribed Image Text:The vector u has a length of 7 and the vector has a length of 1. When the tails of the two vectors touch one another, the vectors make an angle of 120°. Find the dot product u. v. Round your answer to 1 decimal place. This feedback is based on your last submitted answer. Submit your changed answer to get updated feedback. * Your answer is incorrect. You scored 0 marks for this part. Submit par D) Find the magnitude of the cross product u x v. Round your answer to 1 decimal place. S
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