Which of the following is the correct formula for calculating potential energy? PE = mass x gravity
PE = mass/gravity
PE = mass x gravity x height
PE = mass + gravity + height

Which statement about covalent bonds is true

Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration

Total solidification times of three casting geometries are to be compared: a sphere, a cylinder, in which the length-to-diameter ration - 1.0, and a cube. volume = 1000 cm^3 for all three shhapes, and the same casting alloy is used. a) determine the solidification times of each geometry b) based on the results of part (a), which geometric element would make the best riser? c) if the mold constant = 3.5 min/cm^2 in chvorinov's rule, compute the total solidification time for each casting.