[理学]第7章 狭义相对论动力学.pdf

77 1 2 … 7.17.1 7777..2222 7.37.3 * * 1 7.17.1 . :p = mv , FF=d(d(mv)/d)/dtt Fp vc , mmvv vm m(v) m(v) 2 mm((vv)) A B S r r V A: v ,m vv ΒΒ ΑΑ++ΒΒ (A+B)(A+B) v Α B: m V, M 00 S’ B r′ A: m00 A A+B V (A+B) r V’, M B: -v, mv −v 3 * M m + m v 0 **MVMV==mm vv MV’MV ==mm ((--vv)) v v V’= - V v/ V=(m +m )/m =1+m /m … 1 v 0 v 0 v * u=vV= V x VV −v V′ −V … Vv 11 − 22 c22 v v 1 ± 1 − 2 V c +”1 4 m mm