Jessica stretches her arms out 0.8 m from the center of her body while holding a 2.0 kg mass in of each hand. She then spins around on an ice rink at 1.2 m/s. a. What is the combined angular momentum of the masses?
b. If she oulls her arms in to 0.12 m, what is her new linear speed?

Which type of bond is found between the atoms of a molecule? a. metallic b. delocalized electron c. covalent d. ionic

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.

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system