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Where does the simple harmonic motion equation come from and what does it mean?

We know that the displacement, x, is described by the equation x = Acos(ωt + Φ), where A is the amplitude of oscillation, ω is the angular frequency and Φ is the phase shift. The velocity, v, is the time der...
Answered by • Physics tutor
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Given (x-2) is a factor of ax^3 + ax^2 + ax - 42, find the value of a

let f(x) = ax^3 + ax^2 + ax - 42if x-2 is a factor of f(x), then by remainder theorem, f(2) = 0and:a(2)^3 + a(2)^2 + a(2) -42 = 08a + 4a + 2a - 42 = 014a = 42a = 3
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Answered by Jay H. • Maths tutor
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Analyse how delayering might affect the level of profit of a business

Delayering is the process of removing hierarchical layers from an organisation. This process tends to lead to a wider span of control for managers which may provide some motivational stimulus as they perceiv...
Answered by • Business Studies tutor
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Addressing socio-economic issues is more important than dealing with environmental challenges in the management of urban areas.

Issues associated with economic inequality, social segregation, and cultural diversity are nowadays ignored in order to achieve productivity and economic development. Awareness of strategies to manage socio-...
Answered by • Geography tutor
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What sort of things may my interviewer ask me?

For Humanities subjects, there are usually two interviews. The first, will be broadly based on your Personal Statement, and the work you submit. (I would have to read this). The interviewer will be very keen...
LH
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