Manakah pernyataan berikut yang benar ?

Pertanyaan

Manakah pernyataan berikut yang benar ? $undefined$

$begin mathsize 14px style open square brackets straight M close square brackets open square brackets straight L close square brackets squared open square brackets straight T close square brackets to the power of negative 2 end exponent end style$ adalah dimensi energi kinetik
$begin mathsize 14px style open square brackets straight M close square brackets open square brackets straight L close square brackets open square brackets straight T close square brackets to the power of negative 2 end exponent end style$ adalah dimensi energi potensial
$begin mathsize 14px style open square brackets straight M close square brackets open square brackets straight L close square brackets squared open square brackets straight T close square brackets end style$ adalah dimensi momentum
$begin mathsize 14px style open square brackets straight M close square brackets open square brackets straight L close square brackets cubed open square brackets straight T close square brackets to the power of negative 2 end exponent end style$ adalah dimensi usaha
$begin mathsize 14px style open square brackets straight M close square brackets open square brackets straight L close square brackets squared open square brackets straight T close square brackets to the power of negative 1 end exponent end style$ adalah dimensi daya

Pembahasan Video:

Pembahasan Soal:

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.

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 12 April 2021

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