In an effort to impress Mr. Hass during PE class, Avery quickly elevates his 62.6-kg body up the rope to a height of 5.69 meters above his starting point. What is Avery's change in potential energy?
Question
In an effort to impress Mr. Hass during PE class, Avery quickly elevates his 62.6-kg body up the rope to a height of 5.69 meters above his starting point. What is Avery's change in potential energy?
Solution
To calculate the change in potential energy, we can use the formula:
Potential Energy (PE) = mass (m) * gravity (g) * height (h)
Given in the problem, we have:
mass (m) = 62.6 kg height (h) = 5.69 m gravity (g) = 9.8 m/s² (This is the approximate value of gravity on Earth)
Substituting these values into the formula, we get:
PE = 62.6 kg * 9.8 m/s² * 5.69 m PE = 3319.772 Joules
So, Avery's change in potential energy is 3319.772 Joules.
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