A car moves from the point (3.0 m)x + (5.0 m)y to the point (8.0 ...

[Bob-Dole]

A car moves from the point (3.0 m)x + (5.0 m)y to the point (8.0 m)x - (7.0 m)y in 2.0 s. What is the direction of the average velocity of the car?
 
  A)
 
  67 from the x-axis
  B)
 
  -67 from the x-axis
  C)
 
  33 from the x-axis
  D)
 
  -33 from the x-axis
  E)
 
  52 from the x-axis

Question 2

An incompressible fluid flows steadily through a pipe that has a change in diameter. The fluid speed at a location where the pipe diameter is 8.0 cm is 1.28 m/s. What is the fluid speed at a location where the diameter has narrowed to 4.
 
  0 cm? A)
 
  0.32 m/s
 
  B)
 
  0.64 m/s
 
  C)
 
  1.28 m/s
 
  D)
 
  2.56 m/s
 
  E)
 
  5.12 m/s

[bookworm410]

Answer to Question 1

B

Answer to Question 2

E

[Bob-Dole]

Thanks for the timely response, appreciate it

[triiciiaa]

Gracias!