What is the average velocity of an object that moves from 7.5 to 2.7 cm from zero to 2.4 seconds

There are weak or strong attractive forces between atoms of liquids with a high viscosity

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

The force needed to overcome static friction is usually less than that needed to overcome kinetic friction.true or false?