1. Problem, purpose, or research question: The problem or research question is the single most important part of the scientific method. Every part of your project done to answer this question. The research question is sometimes formed as a statement and is called the "problem" or "problem statement"
Answer:True
Explanation:
We know that frequency in a tight string is given by
where 
and velocity is given by
As 
increases v also increase but wavelength 
remain same because ends of string are fixed.
C kinetic energy bc it consists of the total kinetic energy of all its atoms and molecules. It is a form of energy related to heat and temperature
Answer:
Solids
Explanation:
The speed of sound is different in different mediums. Among solids, liquids, and gases, sound travels faster through solids. The particles in solids are more closes as compared to liquids and gases.
