Dynamic Fluids

The continuity equation for an incompressible fluid is written as ...

Which of the following is NOT a property of an ideal fluid?

Bernoulli's principle relates pressure, flow speed, and ...

The flow rate of a fluid is defined as ...

An application of Bernoulli's principle is shown by ...

When a fluid flows through a narrowing pipe, its speed ...

A fluid flows through a pipe of cross-section $0.02{\text{m}}^2$ at $3\text{m/s}$. The flow rate is ...

Water flows in a pipe of cross-section $0.1{\text{m}}^2$ at $2\text{m/s}$. If it narrows to $0.05{\text{m}}^2$, the speed in the narrow part is ...

A tank has a hole $5\text{m}$ below the water surface. The speed of the escaping water is ... ($g=10{\text{m/s}}^2$)

In a horizontal pipe, the narrower part has ...

If $A_1$ and $v_1$ are the area and speed at the first cross-section, the speed at the second is ...

Water flows through a $4\text{cm}$ pipe at $4\text{m/s}$, then enters a $2\text{cm}$ pipe. The speed in the small pipe is ...

Water jets from a hole $20\text{m}$ below the water surface. The jet speed is ... ($g=10{\text{m/s}}^2$)

A fluid flows at $0.03{\text{m}}^3/\text{s}$ through a pipe of cross-section $0.01{\text{m}}^2$. Its speed is ...

Water flows through a horizontal pipe. At a $10{\text{cm}}^2$ section the speed is $2\text{m/s}$, and at a $5{\text{cm}}^2$ section it is $4\text{m/s}$. If $\rho =1,000{\text{kg/m}}^3$, the pressure difference $p_1-p_2$ is ...

A tank holds water $1.8\text{m}$ deep. If there is a small hole at the bottom, the escape speed is ... ($g=10{\text{m/s}}^2$)

A pump pushes water at $0.02{\text{m}}^3/\text{s}$ up to a height of $10\text{m}$. Its power is ... ($\rho =1,000{\text{kg/m}}^3$, $g=10{\text{m/s}}^2$)

Water flows in a horizontal pipe. At point one the pressure is $2\times 10^5\text{Pa}$ and the speed is $2\text{m/s}$. At point two the speed is $6\text{m/s}$. If $\rho =1,000{\text{kg/m}}^3$, the pressure at point two is ...

Water flows from a $10\text{cm}$ pipe at $1\text{m/s}$ into a $5\text{cm}$ pipe. The speed in the small pipe is ...

The water surface is $45\text{cm}$ above a small hole in the wall. The speed of the jetting water is ... ($g=10{\text{m/s}}^2$)