<h2>
Answer:38.33 Kg</h2>
Step-by-step explanation:
If
of mass is placed on spring with spring constant
,

where
is universal gravitational constant
is the displacement in the spring.
In case 1:

In case 2:

Using result from case 1,



Divide everything by 4 getting:
7y=3x+21
then get all of the variables on one side by subtracting 3x:
7y-3x=21
Answer: G=4
Step-by-step explanation: