Why does energy as heat move away from the tropics and toward the poles in the global weather system 1.There is less solar energy at the equator and more at the poles. 2.There is more solar energy at the equator and less at the poles. 3.The Earth’s poles attract energy as heat from the tropics because of gravity. 4.Energy as heat does not move away from the poles; rather, the sun heats all parts of the Earth evenly.

Afigure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 20.9 12000 200 3.33

Match each vocabulary term to its definition. 1. electrons neutral subatomic particles found in the nucleus of the atom 2. neutron lowest energy position of an electron in an atom 3. photon the path of an electron around the nucleus of an atom 4. ground state negatively charged, subatomic particles 5. protons packet of energy of specific size 6. element substance with only one type of atom 7. orbital positively charged, subatomic particles found in the nucleus of the atom

Of is j/kg·k. if a 2.6 kg of isk to k, is ?