m2eg2avazerinaomiee m2eg2avazerinaomiee
  • 22-11-2016
  • Physics
contestada

a spring has a spring of 120 newtons per meter. calculate the elastic potential energy stored in the spring when it is stretched 2.0 centimeters. ...?

Respuesta :

MissPhiladelphia
MissPhiladelphia MissPhiladelphia
  • 24-11-2016
We know that force for a linear spring is equal to F=kx. Since energy is the potential to do work, and the spring is assumed to be perfectly elastic. Work can be written as:

W = F (integral sign) d
x

Therefore, 

W=k(Δx)^2 / 2
W = F 
Δx / 2
W = 120 (2.0) / 2
W = 120

Answer Link

Otras preguntas

In a forest, rabbits are the prey to owls. An increase in the number of rabbits in the forest would result in Group of answer choices A. an increase in the nu
$0.95 divided by 2.75. Round the answer to the nearest hundredth
Зx – 3 = x+ 3 Please help me what is x?
The number line shows the graph of an inequality: which statement explains whether -3.5 can be a value in the shaded region?
welp! Tysm!!!! Each marble bag sold by Justin's Marble Company contains 4 purple marbles for every 5 red marbles. If a bag has 20 purple marbles, how many red
Select the correct answer from the drop-down menu. David is rowing a boat upstream. The river is flowing at a speed of 2 miles per hour. David starts rowing at
If a magnet is attracted to a metal object what can you say about the pole of the magnet and the pole of the objec
3²is to 9 as 9²is to
Heeeelp me please!!!!!!
A company's stock was selling at$25 a share. A month later, it wasselling at $30 a share. What isthe percent increase?.