A mother pushes her child on a swing so that his speed is 9.15 m/s at the lowest point of his path. The swing is suspended 1.80 m above the child's center of mass. (a) What is the magnitude of the centripetal acceleration (in m/s2) of the child at the low point

Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec

If the new moon happens on january 15th, what shape will it be on february 6th?

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