Register

A 84-kg hiker starts at an elevation of 1500 m and climbs to the top of a 3100-m peak. what is the hikers change in potential energy?

A 84-kg hiker starts at an elevation of 1500 m and climbs to the top of a 3100-m peak. what is the hikers change in potential energy?
97.7k views
5 votes
A 84-kg hiker starts at an elevation of 1500 m and climbs to the top of a 3100-m peak. what is the hikers change in potential energy?

User Freeforall Tousez
by
7.6k points

1 Answer

1 vote

Given:\\m=84kg\\h_0=1500m\\h_1=3100m\\g=9,81 (m)/(s^2) \\\\Find:\\\Delta E_p=?\\\\Solution\\\\\Delta E_p=E_p_1-E_p_0\\\\E_p=mgh\\\\\Delta E_p=mgh_1-mgh_0=mgh(h_1-h_0)\\\\\Delta E_p=84kg\cdot 9,81 (m)/(s^2) (3100m-1500m)=1318464J
User Giskard
by
8.5k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

Other Questions

At sea level, water boils at 100 degrees celcius and methane  boiled at -161 degrees celcius. Which of these substances has a stronger force of attraction between its particles? Explain your answer
Physical properties of minerals graphic organizer
A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how high (in m) was the building?
Link Copied!