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A box is at rest on a slope with an angle ϴ. Find an expression for the static friction coefficient, μ, of the box.

Begin by drawing a diagram with all the vectors that act on the box. This should include the normal vector (N), the weight of the box (G), and the static friction force (F s ). Write down the equation for th...
OL
Answered by Oliver L. • Physics tutor
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How do I factorise a quadratic equation?

A quadratic equation will always take the form ax 2 + bx + c, where x is a variable and a, b and c are numbers. The equation may be given to you with several x 2 values, several x values or several numbers. ...
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Answered by Kate M. • Maths tutor
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If y=(x^2)*(x-10), work out dy/dx

The question is pretty straightforward and asks you to find the derivative of y, which is a function of x. The most simple way to do this is to first eliminate the brackets and then derive. Thus we get y=x^3...
MC
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How do I approach a translation?

The first step is not to translate straight away. First, read any information given to you about the context of the passage. Next,take the passage a sentence at a time. Find the subject usually near the begi...
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Answered by Bhumi S. • Latin tutor
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Ben would like to buy two tickets for the theatre, each ticket costs £25 and there is a 15% booking fee applied to the ticket cost. How much does it cost him to buy the two tickets with the additional fee?

25 x 2 = 50 15% = 0.15 50 x 1.15 = 57.5 or 0.15 x 50 = 7.5 50 + 7.5 = 57.5
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Answered by Alexander P. • Maths tutor
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