Define Rotational and irrotational flow

Q: A 20-kg child slides down a playground side with a constant acceleration of a=1.3m/s^2 parallel to…

A: Mass of child = 20 kg  Acceleration = 1.3 m/s2 parallel to the surface of the slide Length of the…

Q: Define pressure.

A:

Q: True of false. (Write True if the statement is true or otherwise if false) 1, The density of air is…

A: 1. The density of air is around 1.2 g/liter => This statement is true.    2. The Specific Gravity…

Q: Suppose you have a wind speed gauge like the pitot tube shown in the figure. a. By what factor must…

A: We are given a speed gauge like a pitot tube, Initial velocity v1 = 0Height (h) is proportional to…

Q: The three identical boxes shown in the figure remain at rest on a rough, horizontal surface, even…

A: If normal force is larger, then the frictional force is larger.

Q: If pressure is force per unit area, show that a 60-kg man with a 3-cm heel size exerts approximately…

A:

Q: which of the following is true (can be two answers) 1. a higher force contributes to a higher…

A: Pressure = Force/Area The pressure is directly proportional to the force. Hence, a higher force…

Q: O Plastic Newtonian blue pink Dilatant or Shear Thickening In the graph above, the curve labeled…

A: The given figure gives the various types of fluids with shear stress  as a function of shear rate .

Q: Does this puzzle have any corner or edge pieces? Discuss.    How might the completed puzzle change…

A: SOlution: its an exercize to understand the shape of the earth.

Q: A perfect incompressible liquid is flowing through the pipe shown. At which point in the pipe would…

A: Solution: Given that A perfect incompressible liquid is flowing through the pipeAt which point the…

Q: Explain the concept of Constant Thrust ?

A: