Một electron chuyển động với vận tốc 2.106 m/s vào trong từ trường đều B = 0,01 T. Biết lực Lo – ren – xơ tác dụng lên electron có độ lớn f = 1,6.10-15 N. Góc hợp vởi và là:

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose the word that has the underlined part pronounced differently from the rest:  

  cure                  mute                sure               pure

• Choose the word that has the underlined part pronounced differently from the rest:  

  drive              discover             display             divide

• Choose the word that has the underlined part pronounced differently from the rest:  

  sour               count               amount              tourist

• Choose the word that has the underlined part pronounced differently from the rest:  

  pool             soon                book             shoot

• Choose the word that has the underlined part pronounced differently from the rest:  

  luxury            example                 exist             exhaust

• Choose the word that has the underlined part pronounced differently from the rest:  

  killed              turned             crashed                waived

• Choose the word that has the underlined part pronounced differently from the rest:  

  depth             with              smooth                    bathe

• Choose the word that has the underlined part pronounced differently from the rest:  

  purple                turn             journey            merry

• Choose the word that has the underlined part pronounced differently from the rest:  

   debt              public              sob              obstacle

• Choose the word that has the underlined part pronounced differently from the rest:  

  here             where                   pair              wear