Thickness of Aluminum Foil A rectangular sheet ofaluminum foil is 50 centimeters long and 20 centimeterswide, and weighs 5.4 grams. Find the thicknessof the aluminum foil in centimeters
density Aluminum 2700 kg/m? Volume = 0.5 x 0.2 x d = 0.1d m? where d is thickness 5.4 g = 0.0054 kg 0.0054 kg / 2700 kg/m? = 2.0e-6 m? 2.0e-6 m? = 0.1d m? d = 2.0 e-5 m or 20 ?m or 0.02 mm or 0.002 cm .
