The liquid pressure is equal to the product of the weight density and the depth. The pressure of the liquid depends on the depth and the density of the liquid. The mathematical expression is
Where,
Weight density
h = Depth
Replacing we have that
Therefore the water pressure on the bottom of the barrel is 11.8kPa
R.I.C.E. – Rest, Ice, Compression, And Elevation Procedure Explained. One of the most used treatments to assist with a sprain or a strain is the “RICE” method. As always, consult a doctor before attempting to do anything yourself if you are not sure of the severity of your strain or sprain.
Because sound waves don't travel through the vaccume of space. Hope this helped