Question: 8. If the angle between u and v is 7/6 and ||ul| = 1, ||v]| = 2, then the cosine of of the angle between

8. If the angle between u and v is 7/6 and ||ul| = 1, ||v]| = 2, then the cosine of of the angle between u - v and u+ u is (a) - V13 (b) V21 (c) 13 (d) - (e) none of these 9. If u = 1 = ul| and u . v = 2, then ||2u + 3v]| = (a) 25 (b) 4 (c) 5 (d) V19 (e) none of these

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

16. [3/5 Points] DETAILS PREVIOUS ANSWERS LARCALC12 11.3.072. Consider the vectors u = (cos(a), sin(a), 0) and v = (cos(B), sin(B), 0), where a > B. Find the dot product of the vectors. u . v = cos...

Note: i = and j = 1. Convert the point whose polar coordinates are (V3, ?) to to rectangular coordinates. (A) 3 V3 2 ' ( B ) (21 2) (0 ) ( 3 , V3 ) ( D ) ( V3 , " ) ( E ) (V3 3 2. Which of the...

1 Multivariable functions and vector geometry Due date and time: Wednesday, June 7th at 9:30 AM in lecture Please ensure that you have read and understood the document \"Homework Guidelines" on the...

6 questions Compute luxv| if |ul = 4 and |v| = 5 and the angle between u and v is 0. uxv/ = [ (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any...

Please work all 15 problems clearly and legibly. Thank you so much 1. Find the component form of the vector: the sum of vector AB and vector CD where A = (1,-1), B = (2,0), C = (-1,3) and D = (-2,2)...

Please explain the questions using sine and cosine law. 1. When simplified, -(-u - v) - 3(-2u -4v) equals A 13v C - 7( u + V) B 72+ 13v D -72 -13V 2. |w|= 3, v|= 4, and the angle between u and v...

Please Help!!! 3) A car is towed using a force of 1400 N. The rope used to pull the car makes an angle of 25 with the horizontal. Find the work done in towing the car 1.5 km. Express the answer in...

9 Exam: 07.09 Vectors Exam Part Tv X Dashboard X C A learn.flvs.net/educator/student/examform.cgi?apacecca2*smondelus16*sIt=L7EXkvalwMdHc*5274*0064*passedonce* Q 2 0 FLVS & Lessons Assessments V...

Allright Test Design Company creates, produces, and sells Internet-based CPA and CMA review courses for individual use. Davis Webber, head of human resources, is convinced that question development...

An inexperienced student adds a solution of catalytic H 2 SO 4 and water to the alkene shown below, expecting to produce 1-cyclobutylethan-1-ol. What major product is she surprised to isolate itself?...

Identify the following costs as fixed or variable. Costs related to plane trips between Boston, Massachusetts, and San Diego, California, follow. Pilots are paid on a per-trip basis. Pilots' salaries...

Please follow the steps to complete debugging and function creation tasks 1. Download and extract lab4_2_1.html, lab4_2_1.js, lab4_2_2.html, and lab4_2_2.js files. The html webpages are simple...