A spring 40cm long is stretched to 45cm by a load of 50N . What will be its length when stretched by 100N , assuming that the elastic limited is not reached

Answer 1

Calculate the question

Answer 2

calculation of the question

Answer 3

you don't have to calculate the question -- you need to calculate the answer.
and why ask twice?
100/(x-40) = 50/(45-40)