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How does a potential divider work?

I've always thought that physics is best explained through analogies, and so instead of two resistors we'll imagine two people (our resistors) in Yo Sushi (where plates of sushi represent our voltage). Sa...

AJ
Answered by Adi J. Physics tutor
3490 Views

A curve has the equation y=x^3+2x+15. Find dy/dx.

Here, we are asked to differentiate with respect to x. That is what dy/dx stands for. So, we are only concerned with the terms involving x; that is x^3 and 2x. To differentiate you need to time x (and its...

ZA
Answered by Zein A. Maths tutor
3538 Views

Find the value of x if the following is true: 3(x – 2) < 8 – 2x

So our first priority is to get all the Xs onto on side and add them together. But we cant do that just yet because of 3(x-2).

so lets move all X values to the left of the equation 3(x-2) + 2x <...

PD
Answered by Peter D. Maths tutor
4361 Views

Briefly discuss one strength and one criticism of Zimbardo's research into conformity to social roles

A strength of Zimbardo's research (The Stanford Prison Experiment) is the rigourous methodology he used. The participants selected were all deemed to be mentally stable and the 24 participants were random...

SC
Answered by Sophie C. Psychology tutor
38265 Views

When do I use the French subjunctive?

The subjunctive mood (NB: NOT tense) in French is primarily a means of expressing uncertainty - something that you wish, hope or fear, rather than something that is definitely the case. This textbook-styl...

SM
Answered by Sarah M. French tutor
2716 Views

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