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Partikel bermassa 7 x 10 -29 kg ditembakan dengan kecepatan 7 x 10 11 m/s. Ketidakpastian posisi dari partikel tersebut sebesar ....

Partikel bermassa 7 x 10-29 kg ditembakan dengan kecepatan 7 x 1011 m/s. Ketidakpastian posisi dari partikel tersebut sebesar ....

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A. Qohar

Master Teacher

Mahasiswa/Alumni Universitas Negeri Semarang

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Pembahasan

Diketahui space colon straight m space equals space 7 space straight x space 10 to the power of negative 29 end exponent space kg space space straight v space equals space 7 space straight x space 10 to the power of 11 space straight m divided by straight s space space straight h space equals space 6 comma 6 space straight x space 10 to the power of negative 34 end exponent space Js space space Ditanya space colon space Δx space ? space space Ketidakpastian space posisi space dapat space dinyatakan space dengan space persamaan space colon space

increment straight x. increment straight p greater or equal than fraction numerator straight h over denominator 4 straight pi end fraction increment straight x left parenthesis straight m. straight v right parenthesis greater or equal than fraction numerator straight h over denominator 4 straight pi end fraction increment straight x greater or equal than fraction numerator straight h over denominator 4 straight pi left parenthesis straight m. straight v right parenthesis end fraction increment straight x greater or equal than fraction numerator 6 comma 6 cross times 10 to the power of negative 34 end exponent over denominator 4 straight pi left parenthesis 7 cross times 10 to the power of negative 29 end exponent cross times 7 cross times 10 to the power of 11 right parenthesis end fraction increment straight x greater or equal than 1 comma 072 cross times 10 to the power of negative 18 end exponent space straight m

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