This question is a variation on another version which asks the student to find the height of a bridge arch and width of the river given a formula for the arch of the bridge (also available in the Numbas database)

Demonstrates how to display a plot generated in R.

Skills Audit for Maths and Stats for module BIS123 students.

Skills Audit for Maths and Stats for module BIS110 students.

match different variables to either: 'nominal','ordinal','interval','ratio'

SbE Mechanics Resit Written Assessment

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Using Mohr's Circle to calculate principal stresses in plane stress 2D case.

Calculate the von Mises stress at the base of a post subject to axial compression, bending and torsion.

Determine the principal stresses for a 3D stress state (with null third invariant).

Calculate invariants and von Mises stress for a general 3D stress state.

Determine maximum pressure in a closed thin-walled cylindrical pressure vessel before yield.

Work backwards from hoop strain measurement to calculate prior gauge pressure in a drinks can.

Calculate direct and shear stress in an axially loaded bar in the XY plane.

Entering numbers and algebraic symbols  in Numbas. (German translation)

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This is a test only

In four parts, the student builds up the definition of a class representing a rectangle. First they write the constructor, then add methods to compute area and perimeter.

In the final part, they must use the methods to write a function which determines if a rectangle's area is larger than its perimeter.

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Find the missing whole number power in an equation.

Calculating with indices.

Finding the confidence interval at either 90%, 95% or 99% for the mean given the mean and standard deviation of a sample. The population variance is not given and so the t test has to be used. Various scenarios are included.

Some questions demonstrating how explore mode can be used.

Eenvoudige berekening van korting en BTW

Rationalise the denominator with increasingly difficult examples involving compound denominators. 

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Multiplication and addition of complex numbers. Four parts.