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Examine the works of a composer, and how they convey extra musical content through the score.

Claude Michel Schoenberg is a musical theatre composer having written well known musicals such as Les Miserables and Miss Saigon. He often conveys extra musical content within the score which is able to refl...
BG
Answered by Ben G. • Music tutor
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What is the structure of a protein?

Proteins are long chains of amino acids connected by peptide bonds. The structure of proteins is broken down into 4 components. The primary structure of a protein is simply the order of amino acids found in ...
RN
Answered by Richard N. • Biology tutor
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Differentiate y=(sin(x))^(2)

Using the chain rule of dy/dx=dy/du * du/dx we label sin(x) as u. Now we differentiate u with respect to x, getting cos(x). Then we differentiate u 2 , getting 2u. Mutiplying these together gets us 2u*cos(x)...
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Answered by Bill H. • Maths tutor
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The equation x^2 + (k-5)x + 1 = 0 has equal roots. Determine the possible values of k.

So the first part of this question is regarding your knowledge and understanding on the subject matter. You should know that for real and equal roots, (b 2 - 4ac)=0. (For real and unequal roots, it is >0 ...
Answered by • Maths tutor
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A ball of mass m with initial velocity u rebounds from a wall, with final velocity v. Using Newton's laws of motion explain forces acting in the system.

The ball has initial momentum p 1 = mu, and final momentum p 2 =vm. According to the Newton's 2nd law of motion a force exerted on the ball is equal to the rate of change of momentum . It is thus:F = ( p 2 -...
MM
Answered by Maks M. • Physics tutor
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