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Explain why the velocity of a car moving at a constant speed around a bend changes.

Velocity is a vector quantity, that is, it is fully described by magnitude and direction. Even though the car moves at a constant speed, its direction varies as it moves around the bend. Since there is a ...

Answered by Nicholas A. • Physics tutor

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A Polynomial is defined as X^3-6X^2+11X-6. a)i Use the factor theorem to show that X-3 is a factor. ii Express as a linear and quadratic b)Find the first and second derivative c) Prove there is a maximum at y=0.385 to 3DP

a)i Factor Theorem states that if a polynomial has a factor of X-a, when a is substituted in, the polynomial = 0. Therefore substitute 3 into the polynomial, which then equals 0 ii Long Devision- Unsure h...

Answered by Oliver M. • Maths tutor

2726 Views

If 350gNaCl is dissolved in water and made up to a volume of 3dm^3, calculate the concentration of the solution.

Moles= Mass/Mr Mol (NaCl)= 35/(23+35.5)=350/58.5=0.6Concentration= Moles/volumeConc(NaCl)= 0.6/3=0.2mol/dm³

Answered by Lucy P. • Chemistry tutor

2200 Views

How do I go about analysing and discussing a piece of music?

At Oxbridge interviews, it's likely you'll be presented with a piece of music (written, in this case) to discuss with your interviewers. This can be a very challenging exercise, but they will probably hav...

Answered by Ed L. • Oxbridge Preparation tutor

1324 Views

Explain what is meant by a multiple hazard zone. (4 marks)

A multiple hazard zone is a location where two or more geophysical and hydrometeorological hazards can occur at any point. An example of this is the Philippines; it is susceptible to the occurrence of Typ...

Answered by Dani T. • Geography tutor

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