PLEASE HELP ME I AM BEING TIMED!!! Two cars leave the Sacramento airport at 8:00 a. m. traveling south to Huntington Beach on Interstate 5. Car A travels at a velocity of 86 km/hour and arrives at Huntington Beach at 4:00 p. m. Car B travels at a velocity of 75 km/hour. How long after car A arrives, will car B arrive at the same destination?

The roller coaster from problem #1 then tops a second hill at 15.0 m/s, how high is the second hill? 91.5 m 79.2 m 80.0 m 68.5 m

Which statement correctly describes the relationship between frequency and wavelength?

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