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Bingel [31]
3 years ago
13

How many grams of butter, which has a usable energy content

Physics
1 answer:
VARVARA [1.3K]3 years ago
4 0

Answer:

m_{butter} = 156.93 grams

Explanation:

Given data;

energy content  = 6.0 Cal/g = 6000 cal/g

mass of man 60 kg

climb height = 6.70 km

g = 9.80 m/s^2

we know that

potential energy = mgh

E_t = mU

wehre U - usable energy constant

equating both energy

60 \times 9.8 \times 6.70\times 10^3 = m_{butter} 6000\times \frac{4.184 j}{cal}

m_{butter} = 156.93 grams

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