What is the kinetic energy of a 3 kg ball that is rolling at 3 m/s?

This is how zirconium appears in the periodic table. rounded to the nearest whole number, how many electrons are in an atom of zirconium?

Which of these describe conduction transfer of heat between two objects that are touching transfer of heat by the actual movement of war matter the process in which energy is imitated by one of the object transmitted through space and absorbed by another a process in which energy is released by the molecules breaking apart

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.