a metal has a density of 7.4 g/cm3. a rectangular thin foil of this metal measuring 2.4 cm by 6.cm has a mass of 7.42 g. what is the thickness of this foil in cm

Which of the following are guidelines to follow for obtaining accurate observations

What would be the strength of earth's gravitational field at a point where an 80.0 kg astronaut would experience a 80% reduction in weight

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)