I understand that sound travels faster in water then in air. Water is a liquid, and air is gas.
Water still has the ability to roll the molecules over each other (so water can flow), it has some flexibility.
But I do not understand how a solid that is inflexible can make sound waves travel faster then in a flexible liquid.
In fact, sound waves travel over 17 times faster through steel than through air.
Sound waves travel over four times faster in water than it would in air.
Answer:
Answer in explanation
Explanation:
Water is mainly used as coolant in heating systems like hot-water radiators. The main function of water in such systems, is to absorb as much heat as possible, in order to decrease the temperature of the system and as a result cool it.
The specific heat capacity is the measure of heat energy that is required to raise the temperature of unit mass of a substance through 1 °C. In other words, specific heat capacity quantifies the amount of heat that can be stored by a unit mass of a substance having a degree rise in temperature.
Thus, the more specific heat a substance has, the more heat it can absorb from the hot system. Hence, the specific heat capacity of a coolant must be high.
<u>This is the reason why water, with its high specific heat capacity, is utilized for heating systems, such as radiators.</u>
Answer:
30ft/s
Explanation:
U'1-2 = 0
Using the equation
T1 + Vg1 = T2 + Vg2
Take dactum Vg1 = 0 at ground level
T1 =[ 1/2 × (175 + 10)/32.2] × V^2
T1 = 2.87V^2
T2 = 0
Vg1 = (175 + 10) ×(42/12) = 648ft.lb
Vg2 = 175(18) + 10(8) = 3230ft.lb
Therefore, 2.87V^2 + 648 = 0 + 3230
3230 - 648 = 2.87V^2
2582 = 2.87V^2
V^2 = 2582/2.87
V ^2 = 889.65
V = Sqrt (889.65)
V = 29.99 = approximately 30ft/s
Noble gases think of it that they are Noble and to good for everything else
