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draw a line vertical from where strain is equal to 2.5%.
where it hits your stress vs. strain curve, draw a line from there to the origin
the slope of that line is your Es or secant modulus
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Average velocity is equal to the slope of a secant line through two points on which graph?
All of them...?
What is secx?
secx is the inverse of cosx. secx=1/cosx. A secant is also a line drawn through the graph that touches two points on a function.
How do you calculate speed of a distance time graph?
Speed (in the radial direction) = slope of the graph.
What graph is it impossible to calculate the range?
Any graph where the independent variable (x-axis) ranges to + infinity or - infinity , or both.
How do you calculate a gradient of a graph?
Y divided by X axix- Y/X
What is Secant Modulus?
The secant modulus is the total stress or strain on an object as described by a stress-strain graph. The tangent modulus is the marginal strain.
What is the formulae to calculate tension young's modulus?
Young's modulus is determined experimentally by applying tensile strain (pulling on the ends) to a number of samples of the material under investigation and plotting the strain versus the elongation and taking the slope of the central part of the plot.
Young modulus of perfect eleastic body?
for a perfect elastic body the stress strain graph is always linear, meaning stress is always proportional to the strain through a constant i.e., the young's modulus of elasticity which is proportional to the slope of the linear property of the stress strain graph. if a body is ideally plastic it means to have infinite linear line from the centre of the stress strain graph. A linear line like this could have any slope=tan θ. this linear line could have any angle meaning any slope can values between 1 and 0 implying that young's modulus could be any value.
What graphs are used in frequency distribution?
graph of modulus
What is the difference between hard and tough?
In a stress-strain graph, hard materials have the steepest graph, owing to having the highest young modulus. This is because Hard materials resist a deformation, wether elastic or plastic. So initially the steepest graph in a stress-strain graph is the strongest.Tough materials withstand force, but they do not resist the deformation. The special thing in tough materials is that they can take in a lot of elastic potential energy. In a stress-strain graph, a Tough material has the highest area under curve.A material can be tough without having being hard. A material that is hard is not necessarily tough.
How do you find Modulus of rigidity using graph?
how do you find rigiedity of a penis
Average velocity is equal to the slope of a secant line through two points on which graph?
All of them...?
What is elastic modulus?
In a tensile test, a specimen of material is pulled apart slowly until it breaks. Measurement is continuously taken of the increase in length and the force applied. The increase in length is normalized by dividing it by the original length, and the force is converted to stress by dividing it by the original cross-section area of the specimen. The results are plotted on a graph, called a stress-strain curve, with the stress on the Y axis and the strain on the X axis. The initial part of the curve is usually linear. That linear section is called the elastic region. The slope of the line in that area, which is stress divided by strain in the elastic region, is the elastic modulus.
What is a Cartesian graph and what does it represent?
A cartesian graph is a graph in which y is some function of x. This is the 'normal' type in which you can give an x and y coordinate. Other types include polar in which modulus is a function of argument, but there are loads of varieties and forms.
What is secx?
secx is the inverse of cosx. secx=1/cosx. A secant is also a line drawn through the graph that touches two points on a function.
How do you calculate deceleration on a velocity time graph?
It is the downward gradient of the graph.
How do you calculate potential difference from a graph?
The answer will depend on what information is plotted on the graph!
