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How do you convert a number from denary to hexadecimal?

The simplest route to take when converting any number from denary to another number system is to first convert it to binary. The method for binary conversion is to divide the number in question by 2 repeated...
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Answered by Josh C. Computing tutor
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How does conduction work in metals?

A metal has free electrons, so when it is heated these electrons gain kinetic energy, meaning they move faster. As a result, these free electrons will collide with other electrons or ions, transferring energ...
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Answered by Josh C. Physics tutor
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How do I factorise quadratic equations?

x 2 +x-6=y Is the equation we will use to demonstrate how to factorise quadratics. The first step involves using the basic shape of all quadratic factorisation: ax 2 +bx+c=y x 2 +x-6=y (Cx+A)(Dx+B)=y We must...
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Answered by Joshua O. Maths tutor
5194 Views

How do I use the chain rule to differentiate polynomial powers of e?

e (x ^2+2) =f(x)=y Is the equation we will use to demonstrate correct use of the chain rule. The equation at the core of the chain rule is: dy/dx=dt/dx*dy/dt Seeing that dt as a numerator and dt as a denomin...
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Answered by Joshua O. Maths tutor
6101 Views

What is Effective Nuclear Charge?

Effective Nuclear Charge is the net positive nuclear charge experienced by a valence electron orbiting the positively charged nucleus in an atom. Effective nuclear charge is redcued by: -increased distance b...
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Answered by Joshua O. Chemistry tutor
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