A vector has components Ax > 0, and Ay < 0, the angle that ...

[jrubin]

A vector has components Ax > 0, and Ay < 0, the angle that this vector makes with the positive x-axis must be in the range
 
  A) 0 to 90.
  B) 90 to 180.
  C) 180 to 270.
  D) 270 to 360.

Question 2

Which of the following is a microsecond?
 
  A) 109s
  B) 106s
  C) 1000 s
  D) 10-9s
  E) 10-6s

[AngeliqueG]

Answer to Question 1

D

Answer to Question 2

E

[jrubin]

Thanks for the timely response, appreciate it

[Mochi]

Gracias!