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What is the change in gravitational potential energy for a 122.3 kg man walking up stairs from a height of 4.91 m to 63.1 m?

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What is the change in gravitational potential energy for a 84.2 kg man walking up stairs from a height of 8.16 m to 78.36 m?

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What is the change in gravitational potential energy for a 77 kg man walking up stairs from a height of 9.29 m to 61.46 m?

J

What is the change in gravitational potential energy for a 137.1 kg man walking up stairs from a height of 4.24 m to 54.55 m?

J

What is the change in gravitational potential energy for a 103.9 kg man walking up stairs from a height of 9.97 m to 35.74 m?

J

What is the change in gravitational potential energy for a 133.1 kg man walking up stairs from a height of 4.06 m to 7.1 m?

J