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Perhatikan gambar berikut! Jika G = 6 , 67 × 1 0 − 11 Nm 2 / kg 2 , hitunglah resultan kuat medan gravitasi di titik P!

Perhatikan gambar berikut!

Jika , hitunglah resultan kuat medan gravitasi di titik P!

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W. Diana

Master Teacher

Mahasiswa/Alumni Universitas Negeri Padang

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Pembahasan

begin mathsize 14px style g subscript 1 equals G m subscript 1 over r subscript 1 squared space space space space equals 6 comma 67 cross times 10 to the power of negative 11 end exponent cross times 24 over 2 squared space space space space equals 6 comma 67 cross times 10 to the power of negative 11 end exponent cross times 24 over 4 space space space space equals 6 comma 67 cross times 10 to the power of negative 11 end exponent cross times 6 space space space space equals 40 comma 02 cross times 10 to the power of negative 11 end exponent g subscript 2 equals G m subscript 2 over r subscript 2 squared space space space space space equals 6 comma 67 cross times 10 to the power of negative 11 end exponent cross times 32 over 2 squared space space space space space equals 6 comma 67 cross times 10 to the power of negative 11 end exponent cross times 32 over 4 space space space space space equals 6 comma 67 cross times 10 to the power of negative 11 end exponent cross times 8 space space space space space equals 53 comma 36 cross times 10 to the power of negative 11 end exponent g subscript P equals square root of g subscript 1 squared plus g subscript 2 squared end root space space space space space equals square root of open parentheses 40 comma 02 cross times 10 to the power of negative 11 end exponent close parentheses squared plus open parentheses 53 comma 36 cross times 10 to the power of negative 11 end exponent close parentheses squared end root space space space space space equals square root of 1.601 comma 6 cross times 10 to the power of negative 22 end exponent plus 2.847 comma 3 cross times 10 to the power of negative 22 end exponent end root space space space space space equals square root of 4.448 comma 9 cross times 10 to the power of negative 22 end exponent space end root space space space space space equals 66 comma 7 cross times 10 to the power of negative 11 end exponent end style 

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