X Creston Geren that the mass of an electron w 19x10 kg and the relocity of light 4 following of the kinetic energy of a
Posted: Tue May 17, 2022 8:43 pm
X Creston Geren that the mass of an electron w 19x10 kg and the relocity of light 4 following of the kinetic energy of a gas molecule sx10-26 kg, nowing with a velocity of 400ms! of mass 90 kerm