They are simple eukaryotic organisms
Answer:1.- b. Change in color.
It's change in color because the other can happen by via a physical change.
2.- d. A metal is added to an acid and hydrogen gas is formed.
A chemical change results in change of an object chemical structure being disrupted or altered.
Explanation:
<h2>
Answer:</h2>
<h3>b. E</h3>
<h2>
Explanation:</h2>
<h3>"E" is used to represent an electric field of an object. </h3>
<h2>Hope it helps </h2><h2 />
Answer:
k=188.46 N/m
Explanation:
Given that
m= 30 gm
Additional mass = ΔM
Lets take spring coefficient = k
at the equilibrium position
F= k Δl =( m + ΔM)g
Δl = change in the spring length
k Δl = ( m + ΔM)g
Δl = m g /k + g/k ΔM ---------------1
We know that equation of line given as
y = c + S x -----------------2
By compare equation 2 and 1
slope = s
S= g/k
Given that slope S= 0.052 m/kg
S =g/ k= 0.052
g=9.8 m/s²
9.8 = 0.052 k
k=188.46 N/m
So the spring constant is 188.46 N/m
