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Bumi memiliki massa  dan jari-jari  . Jika tetapan . Besar energi yang diperlukan untuk mengangkat benda bermassa 2 kg ke angkasa luar adalah ...

Pertanyaan

Bumi memiliki massa begin mathsize 14px style 6 comma 0 cross times 10 to the power of 24 space kg end style dan jari-jari  begin mathsize 14px style 6 comma 4 cross times 10 to the power of 6 space straight m end style. Jika tetapan 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. Besar energi yang diperlukan untuk mengangkat benda bermassa 2 kg ke angkasa luar adalah ...

  1. begin mathsize 14px style 1 comma 0 cross times 10 to the power of 9 space joule end style  

  2. begin mathsize 14px style 2 comma 0 cross times 10 to the power of 9 space joule end style 

  3. begin mathsize 14px style 3 comma 0 cross times 10 to the power of 9 space joule end style 

  4. begin mathsize 14px style 4 comma 0 cross times 10 to the power of 9 space joule end style 

  5. begin mathsize 14px style 5 comma 0 cross times 10 to the power of 9 space joule end style 

Pembahasan Video:

Pembahasan Soal:

Diketahui :

    begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row M equals cell 6 comma 0 cross times 10 to the power of 24 space kg end cell row r equals cell 6 comma 4 cross times 10 to the power of 6 space m end cell row G equals cell 6 comma 7 cross times 10 to the power of negative 11 end exponent space Nm squared divided by kg squared end cell row m equals cell 2 space kg end cell end table end style  

Ditanya : Ep

Jawab:

 begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell E subscript p end cell equals cell G fraction numerator M m over denominator r end fraction end cell row cell E subscript p end cell equals cell fraction numerator 6 comma 7 cross times 10 to the power of negative 11 end exponent.6 cross times 10 to the power of 24.2 over denominator 6 comma 4 cross times 10 to the power of 6 end fraction end cell row cell E subscript p end cell equals cell 6 comma 7 cross times 10 to the power of negative 11 end exponent fraction numerator 6 cross times 10 to the power of 24.2 over denominator 6 comma 4 cross times 10 to the power of 6 end fraction end cell row cell E subscript p end cell equals cell 12 comma 5 cross times 10 to the power of 7 space end cell row cell E subscript p end cell equals cell 0 comma 125 cross times 10 to the power of 9 space joule end cell end table end style   

"Sepertinya ada kesalahan di bagian ini sehingga tidak ada jawaban yang sesuai"

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 12 April 2021

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