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Set out information given in question, and taking the upward direction to be positive: s (displacement) = ?, u (initial speed) = 21ms^-1, v (final speed at maximum height) = 0ms^-1, a ...

7x + 6 > 1 + 2xFirst, we collect the like terms so we move all the x's to one side and all the integers to the other:5x > -5Then we divide by 5 on each side to find what just x will be.Therefore, x ...

(Many students have an intuitive understanding of the photoelectric effect and how it demonstrates quantisation, but it is important when preparing for an exam to be able to explain this clearly and preci...

You can approach this question about the dystopian novel from multiple perspectives. You could consider the reader’s viewpoint on the clones. Kazuo Ishiguro slowly unveils the fact that the students at Ha...

Ideal op-amps are considered to have infinite open loop gain at any frequency, meaning that in a feedback circuit the output voltage will always be as large as it needs to be to bring the potential differ...