Jawaban:

Diketahui :

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Ditanya : Kecepatan air pada pipa berdiameter 3 cm?

Jawab :

Kecepatan aliran pada pipa berdiamter berbeda dapat dihitung menggunakan persamaan kontinuitas

table attributes columnalign right center left columnspacing 0px end attributes row cell Q subscript 1 end cell equals cell Q subscript 2 end cell row cell A subscript 1 v subscript 1 end cell equals cell A subscript 2 v subscript 2 end cell row cell open parentheses 1 fourth πd subscript 1 squared close parentheses v subscript 1 end cell equals cell open parentheses 1 fourth πd subscript 2 squared close parentheses v subscript 2 end cell row cell open parentheses up diagonal strike 1 fourth end strike up diagonal strike pi d subscript 1 squared close parentheses v subscript 1 end cell equals cell open parentheses up diagonal strike 1 fourth end strike up diagonal strike pi d subscript 2 squared close parentheses v subscript 2 end cell row cell open parentheses 0 comma 06 close parentheses squared open parentheses 1 comma 5 close parentheses end cell equals cell open parentheses 0 comma 03 close parentheses squared open parentheses v subscript 2 close parentheses end cell row cell v subscript 2 end cell equals cell fraction numerator open parentheses 0 comma 06 close parentheses squared open parentheses 1 comma 5 close parentheses over denominator open parentheses 0 comma 03 close parentheses squared end fraction end cell row cell v subscript 2 end cell equals cell 6 space bevelled straight m over straight s end cell end table

Dengan demikian, kecepatan air pada pipa berdiameter 3 cm sebesar 6 m/s.