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Pertanyaan

Manakah pernyataan berikut yang benar ?

Manakah pernyataan berikut yang benar ? 

  1. begin mathsize 14px style open square brackets straight M close square brackets open square brackets straight L close square brackets squared open square brackets straight T close square brackets to the power of negative 2 end exponent end style adalah dimensi energi kinetik

  2. begin mathsize 14px style open square brackets straight M close square brackets open square brackets straight L close square brackets open square brackets straight T close square brackets to the power of negative 2 end exponent end style adalah dimensi energi potensial

  3. begin mathsize 14px style open square brackets straight M close square brackets open square brackets straight L close square brackets squared open square brackets straight T close square brackets end style adalah dimensi momentum

  4. begin mathsize 14px style open square brackets straight M close square brackets open square brackets straight L close square brackets cubed open square brackets straight T close square brackets to the power of negative 2 end exponent end style adalah dimensi usaha

  5. begin mathsize 14px style open square brackets straight M close square brackets open square brackets straight L close square brackets squared open square brackets straight T close square brackets to the power of negative 1 end exponent end style adalah dimensi daya 

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Jawaban terverifikasi

Jawaban

jawaban yang benar adalah A.

jawaban yang benar adalah A.

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Pembahasan

Pembahasan
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a. Dimensi energi kinetik b. Dimensi energi potensial c. Dimensi momentum d. Dimensi usaha e. Dimensi daya Jadi, jawaban yang benar adalah A.

a. Dimensi energi kinetik

begin mathsize 14px style Rumus space space space colon space E subscript k equals 1 half m v squared Satuan space space space colon space kg. open parentheses straight m divided by straight s close parentheses squared equals kg. straight m squared. straight s to the power of negative 2 end exponent Dimensi space colon space left square bracket straight M right square bracket left square bracket straight L right square bracket squared left square bracket straight T right square bracket to the power of negative 2 end exponent end style 

b. Dimensi energi potensial

begin mathsize 14px style Rumus space space space colon space E subscript p equals m g h Satuan space space space colon space kg. straight m divided by straight s squared. straight m equals kg. straight m squared. straight s to the power of negative 2 end exponent Dimensi space colon space open square brackets straight M close square brackets open square brackets straight L close square brackets squared open square brackets straight T close square brackets to the power of negative 2 end exponent end style  

c. Dimensi momentum

begin mathsize 14px style Rumus space space space colon space p equals m v Satuan space space space colon space kg. straight m divided by straight s Dimensi space colon space left square bracket straight M right square bracket left square bracket straight L right square bracket left square bracket straight T right square bracket to the power of negative 1 end exponent end style  

d. Dimensi usaha

begin mathsize 14px style Rumus space space space colon space W equals F s Satuan space space space colon space kg. straight m divided by straight s squared. straight m equals kg. straight m squared straight s to the power of negative 2 end exponent Dimensi space colon space left square bracket straight M right square bracket left square bracket straight L right square bracket squared left square bracket straight T right square bracket to the power of negative 2 end exponent end style 

e. Dimensi daya

begin mathsize 14px style Rumus space space space colon space P equals W over t Satuan space space space colon space open parentheses kg. straight m divided by straight s squared. straight m close parentheses divided by straight s equals kg. straight m squared. straight s to the power of negative 3 end exponent Dimensi space colon space left square bracket straight M right square bracket left square bracket straight L right square bracket squared left square bracket straight T right square bracket to the power of negative 3 end exponent end style  

Jadi, jawaban yang benar adalah A.

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