A curling rock loses 300 J of energy (kinetic) while it slides across the ice. If the force of friction acting on rock is 15 N, how far did the rock travel?

When fat comes in contact with sodium hydroxide, it produces soap and glycerin. determine whether this is a physical change or a chemical change. explain your answer

State the right hand rule of the direction of magnetic field in a conductor carrying current

What changes occur in the brain during the teenage years? 25 points, someone me out!a.) thinking becomes slower as the brain grows larger. b.) connections between neurons become stronger and faster. c.) unused neurons fuse together to form larger, better functioning neurons. d.) more neurons are developed.