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Please explain how polarisation of waves occurs?

Electromagnetic waves can be imagined by a sinusoidal wave moving up and down, with this movement perpendicular to the direction that they are travelling in. Imagine a sea wave, it moves up and down but a...

Answered by Tom M. • Physics tutor

1984 Views

Give 2 advantages and disadvantages of carbon fibre.

Advantages:Light weightStrong in tensionCan be coloured or imprinted on easilyCan be moulded to many shapesDisadvantes:Poor strength in some directionsWill rip and shatter when brokenExpensiveJoining poin...

Answered by Tom M. • Design & Technology tutor

2644 Views

Discuss whether taxing the manufacturers of high-sugar drinks is a justified means of tackling the impact of diabetes and other weight related illnesses

According to the neoclassical Rational Choice Theory, individuals seek to maximise their own utility. The first justification of a tax on sugary drinks is therefore based on the idea that the consumer doe...

Answered by Alex G. • Economics tutor

1877 Views

Express (x+1)/2x + (2x+3)/(x+1) as one term

(x+1)²+ 2x(2x+3) / 2x(x+1)

Answered by Alex R. • Maths tutor

4156 Views

Detail the pathway of oxygenated water in the ventilation of a fish. Name and briefly describe the mechanism by which gaseous exchange takes place.

Oxygen rich water enters the mouthdue to buccal expansion > water is accelerated across the gill filamentsdue to simultaneous contraction of the buccal cavity and expa...

Answered by Owen F. • Biology tutor

3228 Views