A person lifts a heavy box of 98000 grams by applying a vertically upward force of 800N. a. Is the applied force sufficient to lift the box from the ground? b. How much additional force is required to lift the box?

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 it would take to accelerate an 900-kg car at the rate of 6m/s2

Which scientist was the first to propose the heliocentric model of the universe? a. aristotle b. isaac newton c. galileo galilei d. nicolaus copernicus