Answer:
Work shown below!
Step-by-step explanation:
(x + 4)(x - 3) = 
Answer:
<h2>16kg</h2>
Step-by-step explanation:
This problem is borers on elasticity of materials.
according to Hooke's law,<em> "provided the elastic limit of an elastic material is not exceeded the the extension e is directly proportional to the applied force."</em>

where F is the applied force in N
k is the spring constant N/m
e is the extension in meters
Given data
mass m= 24kg
extensnion=15cm in meters=
= 
we can solve for the spring constant k
we also know that the force F = mg
assuming 
therefore

We can use this value of k to solve for the mass that will cause an extension of 

16.81665382639196787 x 4.81665382639196787
80.99999999999999982646270300946414412
All you have to do is figure out the rest of the decimal places. I couldn't go any farther. Good luck!
Answer:

Step-by-step explanation:
