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Answer :
Answer:
[tex]E_{p}=10GJ[/tex]
Explanation:
We apply the formula to calculate the potential energy (Ep):
[tex]E_{p}=m*g*h[/tex]
[tex]W=m*g=187000lbs[/tex]
m: mass
g: acceleration due to gravity
h: height in ft
[tex]h=39475 ft[/tex]
[tex]E_{p}=W*h[/tex] Formula (1)
We replace the data in the formula (1)
[tex]E_{p}=187000*39475[/tex]
[tex]E_{p}=7.3818*10^{9} ft-lb[/tex]
1 ft-lb = 1.3558 J
[tex]E_{p}=7.3818*10^{9} ft-lb*\frac{1.3558J}{1 ft-lb}[/tex]
1GJ = 1*10^9J
[tex]E_{p} = 10*10^{9} = 10GJ[/tex]
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