NilaNgantone NilaNgantone
  • 02-11-2016
  • Mathematics
contestada

A spring has a natural length of 25 meters. A force of 12 newtons is required to stretch the spring to a length of 30 meters. How much work is done to stretch the spring from it's natural length to 40 meters?

Respuesta :

skhdg skhdg
  • 02-11-2016
F = ks 
12 = k(15) 

12/15 = k 


integrating from 0 to 15 
12/15 sds 


12/15 x S squared / 2 from 0 to 15 
Answer Link

Otras preguntas

need help filling in the blanks.. comparing depreciation methods.
Which of the following kept the price of cotton high in the years before 1860? Cotton gin Demand in Europe Large plantations Slavery
What is the radius of the following circle x+y=100
What is the answer ​
Determine if the set of ordered pairs represents a function. Explain why or why not. (2 points)
Choose all the answers that apply. Which statements are true about motivational success strategies? A.Each strategy works for every obstacle. B.Strategies can
the diaper service where you work bills customers once a week. Each week, it charges $0.30 each for the first 75° used, and $0.25 each for any additional diaper
Order from least to greatest. 7/9. 10/9. 0.62 Please help thanks
What are two situations where the US supreme court has original jurisdiction?
Simplify each expression