Mi One should know the properties of the components of the mixture to separate it. Explain with an example.

Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?

How does the viscosity of magma change as magma cools?

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