Labor and Energy

Jul 2008
179
1
1975 the roof of the Montreal Velódromo which weighed 3.7x10^7N was raised 10cm to be centralized. What the work performed by machines that raised the roof




Answer:
3.7x10^7
 

werehk

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Apr 2008
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you don't know the reason for the answer?

Since potential energy equals mgh,
puting figures into the equation
\(\displaystyle P.E. = mgh\)
\(\displaystyle P.E. = 3.7\)x\(\displaystyle 10^7(10)(0.1)\)
\(\displaystyle P.E. = 3.7\)x\(\displaystyle 10^7 J\)
 
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Jul 2008
179
1
you don't know the reason for the answer?

Since potential energy equals mgh,
puting figures into the equation
\(\displaystyle P.E. = mgh\)
\(\displaystyle P.E. = 3.7\)x\(\displaystyle 10^7(10)(0.1)\)
\(\displaystyle P.E. = 3.7\)x\(\displaystyle 10^7 J\)


Thank you. is obvious