Top answers

How do I calculate the rate of change of something for which I don't have an equation?

This kind of question is an application of differentiation. If t represents time, any derivative with respect to t is a rate of change. For example, if h represents the depth of water in a cubicle container,...
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Answered by Sam E. • Maths tutor
18368 Views

What role did Englightened thought play in the French Revolution?

The French Revolution was a truly multi-causal event (or series of events more accurately), combining economic failure, social unrest, political battles and idealogical change. Based on the pre-Enlightended ...
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Answered by Theo J. • History tutor
4611 Views

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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9092 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
2693 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
16391 Views