5.6 Questions

Collins, p.107

Note: ρ_{fresh water} = 1,000kg/m³; g = 10N/kg

Q5

pd = h X d X g 

250000-100000=hx1000x10

H=15m

The pressure will increase if he was diving in sea water because it is denser than fresh water

Q6

pd= hdg

=50x420x1.4

=29.4 kPa