Jika c adalah kelajuan cahaya di udara maka agar massa benda menjadi 125 % massa diam, benda harus digerakkan pada kelajuan .....

Pertanyaan

Jika c adalah kelajuan cahaya di udara maka agar massa benda menjadi 125 % massa diam, benda harus digerakkan pada kelajuan ..... 

  1. (...) 

  2. (...) 

S. Syifa

Master Teacher

Jawaban terverifikasi

Pembahasan

Pembahasan

Secara matematis, relativitas massa dituliskan dengan persamaan berikut :

Error converting from MathML to accessible text. 

diketahui 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row blank rightwards arrow cell space m space equals space 125 percent sign space m subscript 0 end cell row blank equals cell space bevelled 5 over 4 space m subscript 0 end cell end table end style 

 Maka, kelajuan benda sebesar 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell m space end cell equals cell space fraction numerator m subscript 0 over denominator square root of 1 space minus space begin display style v squared over c squared end style end root end fraction end cell row cell bevelled 5 over 4 space m subscript 0 space end cell equals cell space fraction numerator m subscript 0 over denominator square root of 1 space minus space begin display style v squared over c squared end style end root end fraction end cell row cell 5 over 4 space end cell equals cell space fraction numerator 1 over denominator square root of 1 space minus space begin display style v squared over c squared end style end root end fraction end cell row cell 4 over 5 space end cell equals cell square root of 1 space minus space v squared over c squared end root space space space space space space space bold asterisk times bold kuadratkan bold space bold kedua bold space bold sisi end cell row cell 16 over 25 bold space end cell equals cell space 1 space minus space straight v squared over straight c squared end cell row cell straight v squared over straight c squared space end cell equals cell space 1 space minus space 16 over 25 end cell row cell straight v squared over straight c squared space end cell equals cell space fraction numerator 25 space minus space 16 over denominator 25 end fraction space equals space 9 over 25 end cell row cell straight v squared space end cell equals cell space 9 over 25 space straight c squared end cell row cell straight v space end cell equals cell space square root of 9 over 25 space straight c squared end root end cell row cell bold v bold space end cell bold equals cell bold space bevelled bold 3 over bold 5 bold space bold c end cell row blank blank blank end table end style 

320

4.3 (3 rating)

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