When a material is left with a decreasing temperature without external force, does it feel tensile...

When a material is left with a decreasing temperature without external force, does it feel tensile or compressive stress?

Expert Solution

Ally Wells answered 1 year ago

Why the material does not experience uniform elongation after necking tensile test

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1-Why the material does not experience uniform elongation after necking tensile test? 2-Why the sprue is...

1-Why the material does not experience uniform elongation after necking tensile test? 2-Why the sprue is not designed straight / show your reasoning by using some formula?

When subjected to a force of compression, the length of a bone (compression Young's modulus 9.4 x 109 N/m2, tensile...

When subjected to a force of compression, the length of a bone (compression Young's modulus 9.4 x 109 N/m2, tensile Young's modulus 1.6 x 1010 N/m2) decreases by 2.7 x 10-5 m. When this same bone is subjected to a tensile force of the same magnitude, by how much does it stretch?Type your question here

A cup of hot coffee has a temperature of 201˚F when freshly poured, and is left...

A cup of hot coffee has a temperature of 201˚F when freshly poured, and is left in a room at 72˚F. One minute later the coffee has cooled to 191˚F. a. Assume that Newton's Law of cooling applies. Write down an initial value problem that models the temperature of the coffee. u'= -k(_____) u(o)= _____ b. Determine when the coffee reaches a temperature of 183˚F. Give answer in minutes, and round the answer to two decimal places.

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When a magnet moves relative to a conducting, non-magnetic material (such as copper), some force slows...

When a magnet moves relative to a conducting, non-magnetic material (such as copper), some force slows down the magnet, and this is attributed to "eddy current." Describe in your own words what this "eddy current" is, how it is caused, and how this eddy current affects the magnet which caused it. In the demonstrations of eddy current, these demonstrations involve non-conservation of mechanical energy. You see: (1) large magnet slowing down to a stop at the end of a short...

When adding heat to a substance at its phase transition temperature, why does the temperature of...

When adding heat to a substance at its phase transition temperature, why does the temperature of the substance not change? What is the energy used for?

What does it mean when a force is described as “conservative”? Give one example of a...

What does it mean when a force is described as “conservative”? Give one example of a conservative force and one example of a non-conservative force

When looking at the glass transition temperature, what happens when above and below it? How does...

When looking at the glass transition temperature, what happens when above and below it? How does this change between thermoplastic vs. thermosetting? Amorphous vs. Crystalline? Linear vs. nonlinear? When does glass formation happen vs. crystallization? When looking at the melting temperature, what happens when above and below it? How does this change between thermoplastic vs. thermosetting? Amorphous vs. Crystalline? Linear vs. nonlinear? When does solidification happen vs. crystallization?

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