A person weighing 60kg climbed the stairs to a height of 5m. How much has the person’s potential energy changed?

univerkov | March 1, 2021 | education

Since a person weighing m = 60kg climbed the stairs to a height of h = 5m, then the person’s potential energy Epot changed to Epot = m ∙ g ∙ h, where g = 9.8 N / kg, we get Epot = 60 ∙ 5 ∙ 9, 8 = 2940 J.
Answer: the potential energy of a person has changed by 2940 J.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.