- #1

jawwadaziz

- 3

- 0

**please help me(a vector problem)**

## Homework Statement

i m very confuse about this assignment. please help me how to prove.

If [tex]\vec{}A[/tex] has constant magnitude show that [tex]\vec{}A[/tex] and d[tex]\vec{}A[/tex]/dt are perpendicular provided that d[tex]\vec{}A[/tex]/dt [tex]\neq[/tex]0

also give one physical example of this problem.

please help me in this problem.

thnx.