kaylamorris05
08.12.2020 •
Physics
Which of the following does not dissolve in water
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Ответ:
Sand,Mud
Explanation:
Sugar and salt are examples of soluble substances. Substances that do not dissolve in water are called insoluble. Sand and flour are examples of insoluble substances.
Ответ:
Explanation:
Given that:
Gage pressure at the inlet
= 20psig
Inlet diameter D = 4 in
Exit diameter d = 1.5 in
Volumetric flow rate at inlet
Applying continuity and the x component of the momentum;
we have:
Q =
Velocity at inlet is calculate as :
= 22.92 ft/s
Velocity at the exit:
= 162.98 ft/s
The required external force can be calculated by using the formula:
Thus, the external force required to hold the orifice in place