The speed of sound through oxygen at 0C is 316 meters per second. The speed of sound through solid copper is 5,010 meters per second

Which actions would increase the rate at salt dissolves in water? stir the water? crush the salt? use less water? heat the water? cool the salt

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.

A2-kg bowling ball is 1 meter off the ground on a post when it falls. just before it reaches the ground,its traveling 4.4 m/s. assuming that there is no air resistant, which statement is true a. the initial potential energy is less then the final kinetic energy b. the mechanical energy is not conserved c. the mechanical energy is conserved d. the initial potential energy is greater than the final kinetic energy