A Pump Is Used to Circulate SAE 10W Oil at 30

Multiple Choice

A pump is used to circulate SAE 10W oil at 30 ^$\circ$ C in an engine.What is the minimum pressure the pump must provide if it is to achieve a flow rate of 1L/s along a tube that is 1 m long with an inner diameter of 2 cm?

A) 1/8 atm
B) 1/4 atm
C) 1/2 atm
D) 3/4 atm
E) 1 atm