A liquid of density 1103 kg/m3 flows with speed 1.37 m/s into a pipe of diameter

Question

A liquid of density 1103 kg/m3 flows with speed 1.37 m/s into a pipe of diameter 0.19 m. The diameter of the pipe decreases to 0.05 m
at its exit end.  The exit end of the pipe is 6.34 m lower than the entrance of the pipe, and the pressure at the exit of the pipe is 1.2 atm.

Applying Bernoullis principle,  what is the pressure P1 at the entrance end of the pipe?   Assume the viscosity of the fluid is negligible and the fluid is incompressible. The acceleration of gravity is 9.8 m/s2 and Patm= 1.013105Pa. Answer in units of Pa
A liquid of density 1103 kg/m3 flows with speed 1.37 m/s into a pipe of diameter 0.19 m. The diameter of the pipe decreases to 0.05 m
at its exit end.  The exit end of the pipe is 6.34 m lower than the entrance of the pipe, and the pressure at the exit of the pipe is 1.2 atm.

Applying Bernoullis principle,  what is the pressure P1 at the entrance end of the pipe?   Assume the viscosity of the fluid is negligible and the fluid is incompressible. The acceleration of gravity is 9.8 m/s2 and Patm= 1.013105Pa. Answer in units of Pa
at its exit end.  The exit end of the pipe is 6.34 m lower than the entrance of the pipe, and the pressure at the exit of the pipe is 1.2 atm.

Applying Bernoullis principle,  what is the pressure P1 at the entrance end of the pipe?   Assume the viscosity of the fluid is negligible and the fluid is incompressible. The acceleration of gravity is 9.8 m/s2 and Patm= 1.013105Pa. Answer in units of Pa
Applying Bernoullis principle,  what is the pressure P1 at the entrance end of the pipe?   Assume the viscosity of the fluid is negligible and the fluid is incompressible. The acceleration of gravity is 9.8 m/s2 and Patm= 1.013105Pa. Answer in units of Pa A liquid of density 1103 kg/m3 flows with speed 1.37 m/s into a pipe of diameter 0.19 m. The diameter of the pipe decreases to 0.05 m at its exit end. The exit end of the pipe is 6.34 m lower than the entrance of the pipe, and the pressure at the exit of the pipe is 1.2 atm. Applying Bernoulli's principle, what is the pressure P1 at the entrance end of the pipe? Assume the viscosity of the fluid is negligible and the fluid is incompressible. The acceleration of gravity is 9.8 m/s2 and Patm= 1.013 times 105Pa. Answer in units of Pa

Explanation / Answer

We know by conservation of mass

A1V1 =A2V2

So, V2 = r1^2 V1 /r2^2

=.19^2 *1.37 /0.05^2

=19.78 m/sec

Applying Bernoulli

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