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(Solved): Multiple Choice: [10 Marks] If vec(u)=[2,3,4] and vec(v)=[-7,-6,-5] find 2vec(u)-3vec(v) a) 9,9,9 b ...
Multiple Choice: [10 Marks] If
vec(u)=[2,3,4]and
vec(v)=[-7,-6,-5]find
2vec(u)-3vec(v)a)
9,9,9b)
-17,-12,-7c)
25,24,23d)
25,-12,9If
vec(u)=[2,3,4]and
vec(v)=[-7,-6,-5]find
|2vec(u)-3vec(v)+5hat(j)|a)
\sqrt(2525)b)
\sqrt(1995)c)
\sqrt(625)d)
\sqrt(588)If
vec(u)=[2,3,4]and
vec(v)=[-7,-6,-5]find
vec(u)*vec(v)a)
-14,-18,-20b) -27 c)
-9,-9,-9d) -52 If
vec(u)=[2,3,4]and
vec(v)=[-7,-6,-5]find
vec(w)orthogonal to both
vec(u)&vec(v)a)
9,-18,9b)
\sqrt(486)c)
-14,-18,-20d)
9,9,9If
|vec(u)|=4,|vec(v)|=7and the angle between these vectors is
147\deg then
vec(u)*vec(v)is: a) 15.2 b) 23.5 c) -15.2 d) -23.5 If
|vec(u)|=4,vec(v)|=7and the angle between these vectors is
147\deg then
vec(u)\times vec(v)is: a) 15.2 b)
23.5hat(n)c)
15.2hat(n)d) -23.5 Simplify:
3vec(u)+4vec(v)-8(vec(u)-2vec(v))a)
-5vec(u)+2vec(v)b)
-5vec(u)+20vec(v)c)
4vec(u)+2vec(v)d)
-5vec(u)+6vec(v)