Is is the second one. 336 k. 273.15K= 0C.
Through the compact molecules of a solid sound would move at its slowest.
Through the loose molecules of a liquid sound would move moderately.
Through the very spacious molecules of a gas sound would move very fast.
The first law
In Newtons first law it states that an object will not change its motion unless a force acts upon it.
Answer:
I feel like to demonstrate you would use an elastic band as the material. You obviously have to put force in order to see how far it stretches. From this you can also find about its resistance and durability
Also you have to make sure the distance between the two hands are equal as you want an accurate result.
