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What is terminal velocity and what causes it?

Initially, when you drop an object the only force acting on it is gravity. This accelerates the object towards the ground. As the objects speed increases so does the force of air resitance acting on the obje...
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Answered by Sam M. • Physics tutor
10064 Views

How do I make sure my essays are always structured well?

There are three ingredients you need when writing and structuring any English lit essay: Introduction PEE Conclusion In every essay you need an introduction to your essay, usually about the theme or characte...
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Answered by Tamsin H. • English tutor
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Solve the following equation; 8x-2 > 4x +6

First of all we need to get all of the x's on one side and all the numbers on the other side. Therefore to do this firstly we should add 2 to both sides. 8x > 4x +8 Secondly we need to -4x from both sides...
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Answered by Rory D. • Maths tutor
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What is 25% of 400?

25% = 0.25 or also one fourth of the total. Therefore if you divide 400 by 4, this equals 100. One fourth of 400 is 100.
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Answered by Michelle M. • Maths tutor
19975 Views

In what conditions does sodium chloride conduct electricity and why?

Electricity can be defined as a flow or motion of electric charge. If a substance can allow such flow it is said to conduct electricity. Sodium chloride is made of positively charged sodium ions and negative...
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Answered by Piotr T. • Chemistry tutor
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