Top answers

How do I manage the workload of an EPQ alongside other A-levels?

I think the most important skill to develop is time management and scheduling ability. Try to assign specific times each week that are solely dedicated to working on your EPQ. If your timetable has free peri...
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9194 Views

Is a photon a wave or a particle??

This question was answered most famously by Young's double slit experiment. The double slit experiment shows that photons (as well as all light and matter) can be thought of as both a wave AND a particle. As...
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Answered by Jono G. • Physics tutor
2754 Views

How can we determine stationary points by completing the square?

Suppose we have completed the square on y=ax^2+bx+c and attained y=a(x+p)^2+q, where a,b,c,p,q are real numbers with 'a' not equal to zero and p,q can be expressed in terms of a,b,c. For a>0 we have a min...
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Answered by Hayk Y. • Maths tutor
16515 Views

How do you derive the quadratic formula?

The quadratic formula is the formula that solves any quadratic equation. So, keeping things general, let's begin with a completely general quadratic equation: ax 2 +bx+c=0 This is completely general because ...
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Answered by Aneesh N. • Maths tutor
6681 Views

What is meant by the term 'sofa government'?

The term 'sofa government' refers to a type of informal decision making within government. Unsuprisingly the name comes from the idea that politicians and their advisors would be sat on sofas discussing pote...
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Answered by Sam F. • Politics tutor
50239 Views