Answer:
The quantitative method
Explanation:
<em>Quantitative method is the use of numbers, graphs, logic, tables, charts, stadistics, etc.</em> This kind of method is objective, can be replicated and repeated, and it collects numeric data.
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Answer:
The electric force between them is 878.9 N
Explanation:
Given:
Identical charge
C
Separation between two charges
m
For finding the electrical force,
According to the coulomb's law

Here, force between two balloons are repulsive because both charges are same.
Where 

N
Therefore, the electric force between them is 878.9 N
Answer:
Q = 8608.8 J
Explanation:
Given that,
The mass of ice, m = 34 g
The temperature changes from -2°C to 118°C.
The specific heat of ice, c = 2.11 J/g°C
The heat energy needed,

So, 8608.8 J of energy is needed.
Answer:
primary voltage/secondary voltage = number of turns on primary coil/number of turns on secondary coil
V1/V2= N1/N2
1.5/5 = 150/N2
0.3 = 150/N2
N2= 150/0.3
N2 = 500
i d k I'm right or wrong but i tried.....lemme know if it's correct!!