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Joules are Nm, which is kg middot m^2/s^2 Use this relationship and 1 Btu = 1.0551 kJ to determine what Btu using primary English units (ft, lb_m, degree F, sec, etc.)

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Answer:

[tex]23851.35840\ lbft^2/s^2[/tex]

Explanation:

[tex]1\ Btu=1.0051\ kJ\\\Rightarrow 1\ Btu=1.0051\times 1000 kgm^2/s^2[/tex]

The English units that are to be used here are pounds (lb) and feet (ft)

[tex]1\ kg=2.20462\ lb[/tex]

[tex]1\ m=3.28084\ ft[/tex]

[tex]1005.1\times 2.20462\times 3.28084^2=23851.35840\ lbft^2/s^2[/tex]

The answer is [tex]1\ Btu=23851.35840\ lbft^2/s^2[/tex]

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