Question

a)
State
and
prove
Bernoulli’s
theorem.


b)
What
is
the
pressure
on
a
swimmer
10
m
below
the
surface
of
a


lake?
Atmospheric
pressure
is
1.01
X
105


Nm-2and
density
of
water
is


1000kg/m3


(अ)
बरनौली​

Answer 1

Answer:

Bernoulli's theorem states that the whole mechanical energy of the flowing liquid includes the gravitational potential energy of altitude, then the energy-related with the liquid force & the kinetic energy of the liquid movement, remains stable. ... Bernoulli's equation is also known as Bernoulli's principle.

P_{1}+\frac{1}{2} \rho v_{1}^{2}+\rho g h_{1}=P_{2}+\frac{1}{2} \rho v_{2}^{2}+\rho g h_{2}

\rho = fluid density

g = acceleration due to gravity

P_{1} = pressure at elevation 1

v_{1} = velocity at elevation 1

h_{1} = height of elevation 1

P_{2} = pressure at elevation 2

v_{2} = velocity at elevation 2

h_{2} = height at elevation 2