Question

If you could just start me off, I don't need the actualanswer.Thank you!

1. In a hydraulic system, a woman of mass m is standing ononeof the movable pistons that is a disc of diameter d. (a) Whatisthe pressure in the hydraulic fluid? (b) What is themagnitude ofthe force exerted on another movable piston withthe surface S2? (c)What is the mass m2 of the load thatshould be put on the otherpiston to balance thehydraulic system?

2. How high would the level be in a gasoline (0.68g/cm3)barometer at atmospheric pressure?

3. The liquid in a horizontal pipe of diameter d1 beforeaconstriction is at pressure P1 and flowing with the speed v1,andthen in the constriction with diameter d2 the gaugemeasurespressure P2. What is the density r of the liquid?

4. A body of a rectangular shape has the sides a0, b0, andc0at temperature T0. What will be the volume at temperature T ifthecoefficient of linear expansion is a?

5. A storage tank contains 21.6 kg of nitrogen (N2) atanabsolute pressure of 3.65 atm and 0°C. What is the volumeof thetank