Help! final next weel

A rectangular fish tank measuring 0.80m × 0.55m is filled with water to a height of 61cm . Part A What is the gauge pressure on the bottom of the tank?

A man's gold wedding ring has an inner diameter of 2.0cm at 30∘C. Part A If the ring is dropped into boiling water, what will be the change in the inner diameter of the ring?

A hydraulic lift in a garage has two pistons: a small one of cross-sectional area 3.70cm2 and a large one of cross-sectional area 210cm2 . Part A If this lift is designed to raise a 3100-kg car, what minimum force must be applied to the small piston? Part...

A circular steel plate of radius 15 cm is cooled from 300∘C to 80∘C. Part A By what percentage does the plate's area decrease?

Concrete highway slabs are poured in lengths of 9.00m . Part A How wide should the expansion gaps between the slabs be at a temperature of 22∘C to ensure that there will be no contact between adjacent slabs over a temperature range of -25 ∘C to 48∘C?