If a 25 lb weight is attatched to a spring how far will it stretch? I got an answer for a 15 lb weight with 8 inches to be 15/8 but when I plug in 15/8 into my new equation it doesn't come up with the right answer.

To determine how far a weight will stretch a spring, you need to have additional information about the spring itself, such as its spring constant or the relationship between the force applied and the displacement of the spring.

The spring constant (k) represents the stiffness of the spring and is typically measured in units of pounds per inch (lb/in) or Newtons per meter (N/m). It determines how much force is required to stretch or compress the spring by a certain amount.

If you know the spring constant, you can use Hooke's Law to calculate the stretch or compression of the spring. Hooke's Law states that the force exerted by the spring is directly proportional to the displacement from its equilibrium position. Mathematically, it can be written as:

F = k * x,

where F is the force applied to the spring, k is the spring constant, and x is the displacement of the spring.

In your case, if you have the weight of 25 lb attached to the spring and you want to determine how far it will stretch, you need to know the spring constant. Without this information, it is not possible to provide a specific answer. The spring constant can vary depending on the type and characteristics of the spring.

Therefore, to accurately determine how far the 25 lb weight will stretch the spring, you would need to know the spring constant (k) and apply Hooke's Law.