A man is climbing a staircase. The energy he uses depends on:

The height of the staircase.

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The weight of his body.

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The time taken to roach the top.

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The mass of his body.

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Solution

The correct options are
A The height of the staircase.
C The weight of his body.
D The mass of his body.
When a man is climbing a staircase, the energy will be form of potential energy. The potential energy $P E = m g h$
where m be the mass, h be the height of the staircase and g be the gravitational acceleration.
Thus, options A, B and D are correct.

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