What happens when a car that weighs 300 lbs. driving at speeds of 80 mph collides with a bystander that weighs 180 lbs.

Match the atomic particles with their characteristics. 1. made of two protons and two neutrons neutron 2. similar to an electron; positive charge neutrino 3. orbits nucleus; negative charge positron 4. bundle of energy; zero charge proton 5. found in nucleus; positive charge meson 6. very unstable; +, -, or zero charge gamma 7. found in nucleus; zero charge electron 8. negative particle; negative charge beta 9. atomic energy converted to mass alpha

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2