An 114 kg man climbs up a 4 m high fight of stairs. the acceleration of gravity is 9: 81 m/s2. what is the increase in the gravitational potential energy of the man-earth syste
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Ответ:
Explanation:
Potential energy = Mass x Acceleration due to gravity x Height
Mass = 114 kg
Height = 4 m
Acceleration due to gravity = 9.81 m/s²
Substituting
Potential energy = Mass x Acceleration due to gravity x Height
Potential energy = 114 x 9.81 x 4
Potential energy = 4473.36 J
The increase in the gravitational potential energy of the man-earth system is 4473.36 J
Ответ: