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What is action painting and where does it stand in modern art?

Action painting is an artistic style and technique consisting in the splashing, spilling and throwing of paint directly onto the canvas. It was developed in America in the middle of the 20th century (1940...

EP
3663 Views

Explain what is meant by tensile stress and tensile strain.

Tensile stress is the force exerted per unit cross-sectional area on an object.

Tensile strain is the extension per unit original length of an object.

PJ
Answered by Penelope J. Physics tutor
25503 Views

Given that z = a + bj, find Re(z/z*) and Im(z/z*).

By definition z*  = a - bj.

We can write z/z* = ((a+bj)/(a-bj))*(a+bj)/(a+bj).

We calculate this to be z/z* = (a^2-b^2)/(a^2+b^2) + j(2ab)/(a^2+b^2).

Therefore, Re(z/z*) = (a^2-b^2)/(...

PJ
6318 Views

State what is meant by isotopes?

Isotopes are atoms with the same number of protons, but a different number of protons. Therefore, isotopes have the same atomic number but a different mass number.

An example of an isotope is carbo...

CH
Answered by Charlie H. Physics tutor
6221 Views

Compare and contrast classical and modern social liberalism.

Liberalism is the 'essentially contested concept' or ideal which dominates western political discourse, both explicitly and inexplicitly (Gallie). Political theorists often make the distinction between 'c...

CL
13211 Views

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