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S₁ = at₀²/2 ¡­¡­ (2·Ö)
S₁ = E₀qt₀²/2m
¡ß S₁ = S₀
¡àÈçͼ£ºµ± S₁ = S₀ = E₀qt₀²/2mʱ,
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S = a(2t₀)²/2 = 4S₀ ¡­¡­ (2·Ö)
×îºót₀/12Á£×Ó×öÔ²ÖÜÔ˶¯,ÉèÁ£×ÓµÄËÙ¶ÈΪv₂,
V₂ = 2at₀ ¡­¡­ (1·Ö)
ÉèÁ£×ÓÔڴų¡B₂ÖеĹìµÀ°ë¾¶ÎªR₂,
B₂v₂q = mv₂²/R₂ ¡­¡­ (2·Ö)
Á£×ÓÔÚB₁´Å³¡ÖÐÔ˶¯µÄÖÜÆÚT₁ = 2§Ým/qB₁ = t₀¡­¡­ (2·Ö)
½âµÃ£ºR₂ = E₀qt₀²/3§Ým ¡­¡­ £¨1·Ö£©
¡ßÁ£×ÓÔÚB₂ÖеÄÖÜÆÚ£ºT₂ = 2§Ým/qB₂ = t₀/3 ¡­¡­ (2·Ö)
¡àt₀/12ʱ¼äÄÚÁ£×Óת¹ýµÄ½Ç¶È¦È=§Ý/2 ¡­¡­ (1·Ö)
¼´:d = S+R₂¡­¡­ (1·Ö)
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