Recent content by benedict9999

it's not... I still get the same answer running it through my calculator

Homework Statement A 54.0 kg cheerleader uses an oil-filled hydraulic lift to hold four 130 kg football players at a height of 1.40 m. If her piston is 18.0 cm in diameter, what is the diameter of the football players' piston? Homework Equations The Attempt at a Solution 54...

Homework Statement The pressure at 10 m below the surface of the ocean is about 2.00×10^5 Pa. Which of the following statements is true? a. The weight of a column of seawater 1 m^2 in cross section and 10 m high is about 2.00×10^5 N. b. The weight of a column of seawater 1 m^2 in cross...

Homework Statement A 1.60 m-diameter vat of liquid is 2.30 m deep. The pressure at the bottom of the vat is 1.20 atm. What is the mass of the liquid in the vat in Kg? The attempt at a solution A= pi*r^2 = pi (0.8)^2 = 2.01 m^2 2.01m^2 x 20.260 kPa = 40.7226 40.7226 x 9.8 = 399kg...