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Gaya gravitasi antara dua buah benda A dan B yang berjarak 0,5 m adalah . Jika  dan massa benda A sebesar 12,5 kg, maka besar massa B adalah....

Pertanyaan

Gaya gravitasi antara dua buah benda A dan B yang berjarak 0,5 m adalah begin mathsize 14px style 3 comma 35 cross times 10 to the power of negative 9 end exponent space straight N end style. Jika begin mathsize 14px style G equals 6 comma 7 cross times 10 to the power of negative 11 end exponent space Nm squared divided by kg squared end style dan massa benda A sebesar 12,5 kg, maka besar massa B adalah....undefined

  1. 1 kgundefined

  2. 2 kgundefined

  3. 3 kgundefined

  4. 4 kgundefined

  5. 5 kgundefined

Pembahasan Video:

Pembahasan Soal:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row F equals cell fraction numerator G M subscript A M subscript B over denominator r squared end fraction end cell row cell 3 comma 35 cross times 10 to the power of negative 9 end exponent end cell equals cell fraction numerator 6 comma 7 cross times 10 to the power of negative 11 end exponent cross times 12 comma 5 cross times M subscript B over denominator open parentheses 0 comma 5 close parentheses squared end fraction end cell row cell 3 comma 35 cross times 10 to the power of negative 9 end exponent end cell equals cell fraction numerator 6 comma 7 cross times 10 to the power of negative 11 end exponent cross times 12 comma 5 cross times M subscript B over denominator 25 cross times 10 to the power of negative 2 end exponent end fraction end cell row cell 1 cross times 10 to the power of negative 9 end exponent end cell equals cell fraction numerator 2 cross times 10 to the power of negative 11 end exponent cross times 12 comma 5 cross times M subscript B over denominator 25 cross times 10 to the power of negative 2 end exponent end fraction end cell row cell 1 cross times 10 to the power of negative 9 end exponent cross times 25 cross times 10 to the power of negative 2 end exponent end cell equals cell 2 cross times 10 to the power of negative 11 end exponent cross times 12 comma 5 cross times M subscript B end cell row cell 10 to the power of negative 11 end exponent end cell equals cell 10 to the power of negative 11 end exponent M subscript B end cell row cell M subscript B end cell equals cell 1 space kg end cell end table end style 

Jadi, jawaban yang benar adalah A.

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 20 Juli 2021

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