What has greater kinetic energy 20.0 m/s or 5.0 m/s

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

1. list three scientific reasons cockroaches may fly.

What are the constituent metals of stainless steel?