Oil at $$20^\circ C$$ (density = 870 kg/m^3 and viscosity = 0.104 kg/m-s) flows (laminar flo w) at 1.1 m^3/hr through a horizontal pipe with diameter d = 2 cm and length L = 12 m. Find the power required to cause the flow

A

29.7 W

B

35.8 W

C

15.7 W

D

49.8 W