Answer to Question #51548 in Physics for VICTOR

Question #51548

10 Which of the following is NOT correct?

A k⃗ ⋅k⃗ =1

B i⃗ ×j⃗ =k⃗

C i⃗ ×k⃗ =−j⃗

D j⃗ ⋅j⃗ =0

Expert's answer

Download Answer

Learn more about our help with Assignments: Physics

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. 9 Which of the following quantities is an example of a vector or cross product? A momentum B work
2. 7 A man walks 5.0m due east and then 10.0m N30oE . Find his resultant displacement. A 13.7 m, N15oE
3. 6 Given three vectors a⃗ =−i⃗ −4j⃗ +2k⃗ , b⃗ =3i⃗ +2j⃗ −2k⃗ , c⃗ =2i⃗ �
4. 5 Which of the following equations is not dimensionally consistent? the symbols have their usual mea
5. 4 Which of the following quantities have the same dimensions? A moment and power B work and power C
6. 3 What are the dimensions of pressure gradient? A MLT−2 B ML−2T−2 C ML3T−2 D M−2L2T
7. 2 If s is distance and t is time, what must be the dimensions of a and b in the equation s=asin(bt)