hinh ve trong bai tap vat ly

B A O P 2 T 1 T 60 0 v A B C D m A m B h m 3 H×nh 3 m 1 m 2 m 2 m 1 m 2 m 3 m 1 h m 1 m 2 H×nh 2 m 1 h m 2 m 2 m 1 F  m 1 m 2 F  m 2 m 1 C α A B α 45 0 45 0 B A F 1 F 2 A B O P F A B O P F O A B F 1 F 2 O A B β F 2 F 1 O A B β β F 1 F 2 O A C A B 30 0 G O F A F C O 30 0 O F B A C 30 0 theo c¸ch ng½ m chõ ng t×m d 2 ’, d 2 ) 60 0 O . A B F 1 F 2 B A F 1 F 2 B O P N 2 A F m s N 1 R 1 R 2 R 3 R 4 K 2 K 1 R 1 R 2 R 3 R 4 B A M R 1 R 3 R 2 C A ξ, r R 4 B D A 1 A 2 R 1 R 2 R 3 B A R 5 R 2 R 3 R 4 B A R 1 R 1 R 2 R 3 R 4 B A N M A R 1 R 3 R 2 R 4 B A N M ξ b r D R 5 N R 2 B A R 3 R 1 R 4 M ξ b r V R 1 R 2 R 3 B A R 1 R 2 R 3 B A ξ, r R 1 R 3 R 2 R 4 B A N M ξ, r K B A ξ, r R 1 R 2 R 3 B A R 1 R 3 R 2 R 4 B A N M ξ, r R 1 R 3 R 2 R 4 V ξ , r A B A B α O R 1 R 2 R 3 R 4 B A N M k k k m k m x 20 10 0 1/6 4/6 7/6 10/6 13/6 t(10 -2 s) -20 L i, u t i (t) u (t) 0 R C ∅ • ∅ A B M Hình 3.16 X R ∅ • ∅ A B M Hình 3.17 X C ∅ • ∅ A B M Hình 3.14 X C R ∅ • R o C o ∅ A B M Hình 3.6 X 1.C¸c h×nh vÏ phôc vô cho m«n vËt lÝ a. §iÖn häc A V N S b. NhiÖt häc: N S S N N S N S S N － － － － － － － － － － － － － － － － × × × × × × × × × × × × × × × × × × × × α G G G R R R A V G C L S c. Nh÷ng h×nh c¬ b¶n: α 3 2 1 0 2 4 6 A B y/cm x/m 1 2 3 4 5 6 7 8 0 2 － 2 a t v 0