After impact testing a sample at -100oC you realize that the fracture surface is very dull and fibrous. Is the sample behaving in a ductile of brittle manner at this temperature

Ductile

Explanation:

So, from the question, we have the following information or parameters or data which is going to help us in solving this particular problem or question;

=> " impact testing a sample = -100oC shows that the fracture surface is very DULL AND FIBROUS"

TAKE NOTE: DULL AND FIBROUS.

IMPACT TESTING is used by engineers in the configuration of a sample or object.

In order to determine whether a specimen is ductile or brittle, it can be shown from its appearance for instance;

A DUCTILE SAMPLE will be DULL AND FIBROUS thus, our answer!

But a brittle sample will have a crystal shape.

answer:

science is the study of the nature and behavior of natural things and the knowledge that we obtain about them. a science is a particular branch of science such as physics, chemistry, or biology. physics is the best example of a science which has developed strong, abstract theories.

pseudoscience is a collection of beliefs or practices mistakenly regarded as being based on scientific method.

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answer:

yes

explanation: