Protons neutrons which statement is accurate for these two sub-atomic particles. a) they both have a neutral charge. b) they both have a positive charge. c) they are both located in the nucleus. eliminate d) they are both located outside the nucleus.

the only real purpose of sputnik 1 was to beat the us into space. we were getting close to launching a useful satellite, explorer 1 - which launched on january 31, 1958. the ussr had to beat that, so they launched sputnik 1 on october 4, 19

electric field is a function of 1/r^2

yes, the force per unit charge for a point charge is inverse square law.