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What is slenderness ratio structural engineering?

The slenderness ratio is the ratio between the height or length of a structural element (such as a column, or strut) and the width or thickness of the element. For example, if a rectangular column is 6m high, and 400mm by 600mm in cross-section, then its slenderness is 6000/600 = 10 in one direction and 6000/400 = 15 in the other direction. The higher the slenderness ratio, the more slender the structural element is. How slender a structural element is allowed to be depends upon the material it is made from. Steel can be more slender than concrete, for example. In structural engineering calculations, the slenderness is often denoted as the element's "effective" length divided by something called the radius of gyration. The radius of gyration is a measure of the average distance of the material from the centroid (centre of gravity) of the element's cross section. This can be calculated as r = (I/A)0.5, where I is the second moment of area, or second moment or inertia, of the cross section and A is the area of the cross section. The effective length of an element is determined by how it is fixed at its ends. The effective length is the length of the column that will form half a sine wave if it buckles. If it is "pinned", or has hinged ends, the effective length is the true length of the element. If it is a cantilever (fixed at one end but free at the other), the effective length is twice the true length. If it is fully fixed at both ends the effective length is 0.7 times the true length, but this is in reality very difficult to achieve, so often a real structural element is considered to be only nominally fixed and the effective length is taken to be 0.85 times the true length.


A 10cm column of air trapped by a column of mercury of 8cm long in capillary tube horizontally at 1 atmospheric pressure The length of air column when the tube is fixed vertically with open end up?

The pressure exerted by a column of mercury is given by the equation P = hρg, where h is the height of the column, ρ is the density of mercury, and g is the acceleration due to gravity. Since the pressure inside and outside the tube remains the same, the length of the air column will be the same when the tube is fixed vertically. Therefore, the length of the air column will be 10 cm.


What is a fixed jurisdictional area?

A fixed area of a rectangle is an area that doesn't change. An area is a quantity that measures the space of a shape.Consider this example:A = length x width, which is the formula of a rectangleIf A is fixed, then it depends on what values length and width are. Then, length is indirectly proportional to width in order for A to remain fixed.


Cloud the pendulum be changed to increase the period of the pendulum?

Yes. You can increase the period by moving the pendulum to a location where the gravitational force is weaker.Alternatively, you can increase the effective length of the pendulum. The pendulum may be of fixed length, but you can still increase its effective length by adding mass to any point below its centre of gravity.Yes. You can increase the period by moving the pendulum to a location where the gravitational force is weaker.Alternatively, you can increase the effective length of the pendulum. The pendulum may be of fixed length, but you can still increase its effective length by adding mass to any point below its centre of gravity.Yes. You can increase the period by moving the pendulum to a location where the gravitational force is weaker.Alternatively, you can increase the effective length of the pendulum. The pendulum may be of fixed length, but you can still increase its effective length by adding mass to any point below its centre of gravity.Yes. You can increase the period by moving the pendulum to a location where the gravitational force is weaker.Alternatively, you can increase the effective length of the pendulum. The pendulum may be of fixed length, but you can still increase its effective length by adding mass to any point below its centre of gravity.


What is the formula for fixed area of a rectangle?

Area rectangle = length x width (using same units).


What is a fixed area of a rectangle?

A fixed area of a rectangle is an area that doesn't change. An area is a quantity that measures the space of a shape.Consider this example:A = length x width, which is the formula of a rectangleIf A is fixed, then it depends on what values length and width are. Then, length is indirectly proportional to width in order for A to remain fixed.


Fixed length record and variable length record?

fixed length database


What type of cell reference is C$ 19 in Excel?

In Excel, the cell reference C$19 is a mixed reference. The column "C" is relative, meaning it can change if the formula is copied to another column, while the row "$19" is absolute, meaning it will remain fixed when the formula is copied to other rows. This allows for flexibility in column referencing while keeping the row constant.


What number a formula using instructs Excel to keep both the row and column?

In Excel, to keep both the row and column constant when referencing a cell in a formula, you use absolute referencing by placing a dollar sign ($) before both the column letter and row number. For example, if you want to reference cell A1 absolutely, you would write it as $A$1. This ensures that when you copy or drag the formula to other cells, the reference to A1 remains fixed.


The symbol placed before a row and column address indicates what?

The symbol placed before a row and column address, typically a dollar sign ($), indicates an absolute reference in spreadsheet software like Excel. This means that when you copy or move the formula to another cell, the referenced row or column will remain fixed and will not change. For example, in the reference $A$1, both the column (A) and row (1) are locked in place, ensuring that the formula always points to that specific cell.


How do you keeps the row reference fixed and allow the column reference to vary?

Use an absolute reference.EXAMPLE:=SUM(A1$:A32$)This formua allows you to copy it to other columns to change the "A" to the appropriate column, while keeping the row numbers the same as the original formula.


Are all fixed length files are of the same length?

No. No. No. No.