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Explain what is meant by the mass defect of an atomic nucleui

Correct answer: the positive difference between the separated and combined mass of the nucleons. 

Explaination: The nculeons are held together by a binding force- ie the strong force, intermedicate...

RG
Answered by Roisin G. Physics tutor
1971 Views

What are xylem and phloem in plants, and what do they do?

Plants, like us, need food and water to survive. We have a heart, arteries and veins that help us circulate our blood around. But plants don't have that, and need ways of transporting water and food, whic...

JP
Answered by Jinal P. Biology tutor
25238 Views

Find ∫ ( 2x^4 - 4x^(-0.5) + 3 ) dx

When integrating, you need to add one to the power and divide the term by the power. We will consider each term individually, 2x4 will become (2x4+1)/(4+1) = (2x5)/5, -4x<...

RM
Answered by Rebecca M. Maths tutor
6747 Views

A curve has equation y = f(x) and passes through the point (4,22). Given that f'(x) = 3x^2 - 3x^(1/2) - 7 use intergration to find f(x).

As f '(x) is the differential of f(x) we have to first integrate f '(x). To do this we take each term individually and integrate it. So starting with 3x2, to integrate a simple function of x li...

JO
Answered by Jonathan O. Maths tutor
7189 Views

I'm really struggling to revise for my English Literature G.C.S.E - do you have any tips?

The first and most important thing is to know your texts inside out. Read and reread again the novels, plays and poetry that you are studying for your exam. Don't be afraid to annotate your books, writing...

SH
5347 Views

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