_ is where there are no particles or very few particles that are spaced out very far apart. (example: outer space) a
Vibration
b
Medium
c
Wave
d
Vacuum

An electron and a proton have the same kinetic energy upon entering a region of constant magnetic field and their velocity vectors are perpendicular to the magnetic field. suppose the magnetic field is strong enough to allow the particles to circle in the field. note: you'll need to look up the masses for an electron and proton. 1) what is the ratio of the radii of their circular paths rp/re?

Which boundary is associated with the building of the himalaya mountains? convergent transform divergent hot spot

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?