Glycerin, with a viscosity of 1.50 Ns/m2, is flowing with an ...

[Zoey63294]

Glycerin, with a viscosity of 1.50 Ns/m2, is flowing with an average speed of 1.20 m/s through a tube that has a radius of 5.00 mm and is 25.0 cm long. What is the drop in pressure?
 
  A) 144 kPa
  B) 45.8 kPa
  C) 72.0 kPa
  D) 76.3 kPa
  E) 129 kPa

Question 2

An image is 4.0 cm behind a concave mirror with focal length 5.0 cm. Where is the object?
 
  A) 2.2 cm in front of the mirror
  B) 2.2 cm behind the mirror
  C) 9.0 cm in front of the mirror
  D) 1.0 cm behind the mirror
  E) 20 cm behind the mirror

[jliusyl]

Answer to Question 1

A

Answer to Question 2

A

[Zoey63294]

Gracias!

[alexanderhamilton]

Excellent