#### Answer

General problem-solving steps :-
1. Read the problem carefully, and analyze it.
2. Where appropriate, draw a diagram as an aid in visualizing and analyzing the physical situation of the problem.
3. Write down the given data and what is to be found. Make sure the data are expressed in the same system of units (usually SI).
4. Determine which principle(s) and equation(s) are applicable to the situation and how they can be used to get from the information given to what is to be found.
5. Substitute the given quantities (data) into the equation(s) and perform calculations.
6. Consider whether the results are reasonable.