Dua muatan yang sama besar saling tolak menolak pada jarak 3 cm dengan gaya 90 N. Tentukan besar muatan tersebut!

Pertanyaan

Dua muatan yang sama besar saling tolak menolak pada jarak 3 cm dengan gaya 90 N. Tentukan besar muatan tersebut!undefined 

R. Mutia

Master Teacher

Mahasiswa/Alumni Universitas Gadjah Mada

Jawaban terverifikasi

Jawaban

besar muatan Q adalah Error converting from MathML to accessible text.

Pembahasan

Pembahasan

Diketahui
begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row r equals cell 3 space text cm end text equals 3 cross times 10 to the power of negative 2 end exponent space text m end text end cell row F equals cell 90 space text N end text end cell row cell Q subscript 1 end cell equals cell Q subscript 2 equals Q end cell end table end style 

Ditanya
Besar muatan (Q)?

Penyelesaian
begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row F equals cell fraction numerator k Q subscript 1 Q subscript 2 over denominator r squared end fraction end cell row 90 equals cell fraction numerator 9 cross times 10 to the power of 9 Q squared over denominator open parentheses 3 cross times 10 to the power of negative 2 end exponent close parentheses squared end fraction end cell row 90 equals cell fraction numerator 9 cross times 10 to the power of 9 Q squared over denominator 9 cross times 10 to the power of negative 4 end exponent end fraction end cell row cell 9 cross times 10 to the power of negative 3 end exponent end cell equals cell 10 to the power of 9 Q squared end cell row cell Q squared end cell equals cell fraction numerator 9 cross times 10 to the power of negative 3 end exponent over denominator 10 to the power of 9 end fraction end cell row blank equals cell 9 cross times 10 to the power of negative 12 end exponent end cell row Q equals cell square root of 9 cross times 10 to the power of negative 12 end exponent end root end cell row blank equals cell 3 cross times 10 to the power of negative 6 end exponent space text C end text end cell end table end style  

Jadi, besar muatan Q adalah Error converting from MathML to accessible text.

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