Calculate the electric field at the point x meters on the axis of the ring if the total charge on the ring = Q, and there is a point charge of strength q in the center of the ring. Given: Q = +39 nanocoulombs. q = -19 nanocoulombs. x = 1.5 m. Radius = a = 0.4 m.

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

True or false: the revolution of the earth creates day and night as it rotates around the sun

Aballet student who learns with the of his instructor is demonstrating learning.