Задача 40982.

What pressures are required to pass water with a volume flow of 10 cm ^ 3 / min through: a) a thin transfusion needle (3 cm long and 1 mm in diameter); b) a hypodermic needle (2 cm long and 0.2 mm in diameter)?

Detailed solution with a brief record of the conditions, formulas and laws used in the decision, the conclusion of the calculation formula and the answer.
If you have any questions about the decision, write. I will try to help. File in image format.