1700993520
1700993521
u→0时，→0；u＝v时，＝13.46°；u→c时，→15°．
1700993522
1700993523
1700993524
8-17
1700993525
1700993526
1700993527
8-18
1700993528
1700993529
8-19 略．
1700993530
1700993531
8-20 （1）1.8×1014J； （2）1.8×1020W．
1700993532
1700993533
8-21 4.26×10-12J．
1700993534
1700993535
8-22 （1）300MeV； （2）500MeV／c； （3）-0.18c．
1700993536
1700993537
1700993538
8-23
1700993539
1700993540
1700993541
8-24
1700993542
1700993543
8-25 （1）v＝0.984c，θ＝7.69°； （2）0.24．
1700993544
1700993545
8-26 v1＝v2＝4.70×104m/s．
1700993546
1700993547
8-27 略．
1700993548
1700993549
1700993550
8-28
1700993551
1700993552
8-29 1.5×103m，4.4×10-3m，6.8×10-58m．
1700993553
1700993554
1700993555
1700993556
8-30 直线，方程为斜率为
1700993557
1700993558
1700993559
8-31
1700993560
1700993561
1700993562
1700993563
1700993564
1700993565
8-32 （1）时间单位，（2.1）时间单位；（2.2）时间单位．
1700993566
1700993567
1700993568
1700993569
