Two objects have the same momentum. which of the following is true? i. the masses of the objects are equal. ii. the speeds of the objects are equal. iii. the velocities of the objects are equal. iv. the direction of motion of each object is the same.

How does convection affect our atmosphere? our layers of earth? our oceans?

Any color picture tube and electric field exerts a net force of magnitude 1.68x 10^-13 n on an electron the rest mass of an electron is 9.11 x 10^-13 what is the electron acceleration?

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