blulejeune2621 blulejeune2621
  • 07-07-2017
  • Physics
contestada

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?

Respuesta :

Donek
Donek Donek
  • 07-07-2017
[tex]Given:\\m=84kg\\h_0=1500m\\h_1=3100m\\g=9,81 \frac{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 \frac{m}{s^2} (3100m-1500m)=1318464J[/tex]
Answer Link

Otras preguntas

h(x)=3x-4 what is h(6)
12351 rounded to the nearest hundred explain how you rounded
Look a the figure Find the length of EM?
Which one of the following statements is most accurate for law enforcement
3. To what does the term home front refer? What was happening on the American home front? (world war 2)
What is an dialogue
what is 7 increased by x
What are the solutions of drouht and desertification
What is an dialogue
a pie is cut into 6 pieces if the diameter of the pie is 10 inches what is the approximate arc length of one slice of pie? Pie = symbol A- 10pie / 3 B- pie