Which can occur in a physical change? The mass can increase. The particles can arrange in different ways. The mass can decrease. The atoms can bond to different atoms.

An object weighs 40n in air, weighs 20n when submerged in water and 30n when submerged in a liquid of unknown density. what is the density of the liquid?

Which of the following is not a transverse wave? a) soundb) lightc) radiod) all of thesee) none of these

Use the profile illustrated for problem (1). assume that the layer of silty sand fill (sm) is placed over the entire site. estimate the thickness of the fill (h - in feet) that will cause the effective vertical stress at the center of the clay layer to increase by 517.5 pounds per square foot.