4. If a book falls off the kitchen counter and hits the floor 0.51 seconds later, how tall is the counter and how fast would the book be traveling when it
hits the floor? Assume the book fell at a rate of 9.8 m/s2 (acceleration due
to gravity).

The plum pudding model of the atom states that ?

He viscosities of several liquids are being compared. all the liquids are poured down a slope with equal path lengths. the liquid with the highest viscosity will

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