What was pangaea? when did it form and when did it break apart? it was
a) a large ocean basin that opened in the triassic and closed in the paleocene
b) the supercontinent that formed in the late paleozoic and broke apart in mesozoic
c) the huge mountain range formed when africa pushed northward into europe in eocene time
d) a large, precambrian shield area of africa and south america that broke apart early in the proterozoic

Asatellite component is in the shape of a cube with 10cm edges, has an evenly distributed mass of 2 kg and one bolt hole at each of four corners. if the maximum predicted random vibration environment is 10 grms, what bolt size would be a good choice for restraint? what other factors might drive bolt size besides force/stress?

What are two different ways you could find the value of a? explain these methods.

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