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A uniform ladder is leaning against a smooth wall on a rough ground. The ladder has a mass of 10 kilograms and is 4 metres long. If the ladder is in equilibrium, state an equation for the coefficient of friction of the ground

Uniform means that the centre of mass is half way up the ladder. Smooth wall means no friction is felt on the wall and rough ground means that there is friction felt there. First, draw a diagram and take ...

Answered by Alexandra A. • Maths tutor

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∫(3x+4)2dx

((3x+4)^3)/9 +C

Answered by John L. • Maths tutor

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Find d^2y/dx^2 for y=4x^4−3x^3−6x^2+x

d^2y/dx^2 = 48x^2 - 18x -12

Answered by John L. • Maths tutor

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7^6 x 7^3

7^9

Answered by John L. • Maths tutor

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Simplify: 3l^2mn+nl^2m−5mn^2l+l^2nm+2n^2ml−mn^2

mn(5l^2-3nl-n)

Answered by John L. • Maths tutor

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A uniform ladder is leaning against a smooth wall on a rough ground. The ladder has a mass of 10 kilograms and is 4 metres long. If the ladder is in equilibrium, state an equation for the coefficient of friction of the ground

∫(3x+4)2dx

Find d^2y/dx^2 for y=4x^4−3x^3−6x^2+x

7^6 x 7^3

Simplify: 3l^2mn+nl^2m−5mn^2l+l^2nm+2n^2ml−mn^2

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