Section 9 3 5 10 12 9 42 PM Ali Al Zaabi MA 242 section 001 Spring 2012 Instructor J Louis Capps WebAssign Section 9 3 Homework Current Score 19 5 19 5 Due Wednesday February 1 2012 11 02 PM EST The due date for this assignment is past Your work can be viewed below but no changes can be made 1 2 2 points Previous Answers Find the dot product of two vectors if their lengths are 7 and 1 5 and the angle between them is 4 0 98 0 99 2 2 2 points Previous Answers Find a b a 1 6 8 b 7 3 25 166 25 2 3 2 2 points Previous Answers Find a b a s 5s 6s b t t 7t 4 2 2 points Previous Answers If u is a unit vector find u v and u w u v 0 5 u w 0 0 5 0 http www webassign net web Student Assignment Responses view key dep 3769811 Page 1 of 2 Section 9 3 5 10 12 9 42 PM 5 2 2 points Previous Answers Find the angle between the vectors First find an exact expression and then approximate to the nearest degree a 6 3 2 b 2 1 2 76 76 6 3 5 3 5 points Previous Answers Find the scalar and vector projections of b onto a a 2i 3j k b i 6j 2k Scalar projection 4 81 4 81 Vector projection 2 57 2 57 i 3 86 3 86 j 1 29 1 29 k 7 3 3 points Previous Answers Find the work done by a force of 29 lb acting in the direction N50 W in moving an object 7 ft due west 155 5 156 ft lb 8 3 3 points Previous Answers A wagon is pulled a distance of 110 m along a horizontal path by a constant force of 55 N The handle of the wagon is held at an angel of 30 above the horizontal How much work is done 5239 4 5240 joules http www webassign net web Student Assignment Responses view key dep 3769811 Page 2 of 2
View Full Document
Unlocking...