Как найти: r среднее l среднее ∆l заранее ) - вопрос №249095 от мишка2283 26.07.2020 13:27

Question

Физика: Как найти: r среднее l среднее ∆l заранее )

мишка2283 · Answer

Решение. m=(h*c)/(L*c^2); m=h/(c*L);                                                              h-6,625*10^-34;                                                                                                  c=3*10^8;                                                                                                           L=0,7*10^-7;                                                                                                            m =6,625*10^-34/ 3*10^8*0,7*10-7=31,5*10^-34 ;                                                                                  ...