Based on the law of conservation of energy, which statement is false?
a.
energy is lost when machines don't work right,
b. we can't add more energy to the universe.
c. we can't destroy energy that exists in the universe.
d.
energy changes from one form to another.

Rank the torques on the five doors shown in the figure above from least to greatest. note that the magnitude of all the forces is the same

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

A58-kg boy swings a baseball bat, which causes a 0.140-kg baseball to move toward third base with a velocity of 38.0 m/s.