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given that at a time t, a particle is accelerating in the positive x-direction at 1/t ms^-2, calculate the velocity and the displacement of the particle at time t = 2s

v=ln2, x=2ln2 - 2
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Answered by Toby S. • Maths tutor
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I can never think of anything to write about unseen literature during exams- how can I improve?

No problem! Finding things to say is tricky, especially under test conditions. The first thing we need to do is go through the tick-list of what needs including- an introduction and conclusion, and roughly t...
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Answered by Merle W. • English tutor
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Write 156 as a product of its prime factors.

Before we begin to answer this question we need to have a clear idea of what a prime number is: A prime number is a number greater than 1 that cannot be found by multiplying 2 smaller numbers. To answer this...
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Answered by Alexander A. • Maths tutor
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Explain indexed addressing including the benefits when traversing certain data structures (4 Marks)

The question is an "Explain question" so we need to say what indexed addressing is and how it works (3 marks): " (1) There is an index register which holds the base value for where the data is...
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Answered by Ravi S. • Computing tutor
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How should I approach an essay style question under the time limit of an exam?

Hi, that's a good question! The key is to make a good plan before you start writing. First highlight key points in the question in order to make sure you know exactly what the question is asking you. This wi...
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Answered by Sophia R. • English tutor
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