Answer:
x=21/4
Step-by-step explanation:
1. combine like terms
-4+-7= -11 3x-2x=x
2. subtract x
5x-11=x+10
4x-11=10
3. add 11
4x=21
4. divide 21 by 4 = 21/4
<h2>
Answer:0.2352</h2>
Step-by-step explanation:
Let the mass of the person be .
Let the spring constant be .
Let the displacement in spring be
Let the acceleration due to gravity be
As it is given that the person just stands,the forces are balanced.
So,
Given,