PROBLEM SET 11. Express the following quantities in SI units: (a) 10.2 in./min, (b) 4.81 slugs, (c) 3.02lb, (d) 73.1ft/s², (e) 0.0234 lb-s/ft².2. Verify the dimensions, in both the FLT and MLT systems, of the following quantities whichappear in Table 1.2. (a) angular velocity, (b) energy, (c) moment of inertia (area), (d) power,and (e) pressure.3. A container weighs 3.22 lb force when empty. Filled with water at 60°F the mass of thecontainer and its contents is 1.95 slugs. Find the weight of the water in the container and itsvolume in cubic feet. Assume density of water = 62.4 lb force/ft³.4. The kinematic viscosity of oxygen at 20°C and a pressure of 150 kPa (abs) is 0.104 stokes.Determine the dynamic viscosity of oxygen at this temperature and pressure.Ans. 2.05 x 105 N-s/m²5. According to information found in an old hydraulics book, the energy loss per unit weight offluid flowing through a nozzle connected to a hose can be estimated by the formulah = (0.04 to 0.09) (D/d)^ (V²/2g)where h is the energy loss per unit weight, D the hose diameter, d the nozzle tip diameter, Vthe fluid velocity in the hose, and g the acceleration of gravity. Check if this equation is validin any system of units.

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1. Express the following quantities in SI units: (a) 10.2 in./min, (b) 4.81 slugs, (c) 3.02lb, (d) 73.1 ft/s², (e) 0.0234 lb-s/ft².

Elements Of Electromagnetics

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ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Concept explainers

Properties of Pure Substances

A substance with fixed chemical composition throughout is called a pure substance like water, air, and nitrogen. A pure substance does not have to be a single element or compound. A mixture of two or more phases of a pure substance is also a pure substance as long as the chemical composition is the same for all phases. These substances mainly have a constant/ uniform composition. The substances also have fixed boiling and melting points. A pure substance takes part in a chemical reaction to form predictable products.

Question

PROBLEM SET 1
1. Express the following quantities in SI units: (a) 10.2 in./min, (b) 4.81 slugs, (c) 3.02lb, (d) 73.1
ft/s², (e) 0.0234 lb-s/ft².
2. Verify the dimensions, in both the FLT and MLT systems, of the following quantities which
appear in Table 1.2. (a) angular velocity, (b) energy, (c) moment of inertia (area), (d) power,
and (e) pressure.
3. A container weighs 3.22 lb force when empty. Filled with water at 60°F the mass of the
container and its contents is 1.95 slugs. Find the weight of the water in the container and its
volume in cubic feet. Assume density of water = 62.4 lb force/ft³.
4. The kinematic viscosity of oxygen at 20°C and a pressure of 150 kPa (abs) is 0.104 stokes.
Determine the dynamic viscosity of oxygen at this temperature and pressure.
Ans. 2.05 x 105 N-s/m²
5. According to information found in an old hydraulics book, the energy loss per unit weight of
fluid flowing through a nozzle connected to a hose can be estimated by the formula
h = (0.04 to 0.09) (D/d)^ (V²/2g)
where h is the energy loss per unit weight, D the hose diameter, d the nozzle tip diameter, V
the fluid velocity in the hose, and g the acceleration of gravity. Check if this equation is valid
in any system of units.

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