Over the next 10 years, more than 300 kilometres of new high voltage transmission cables are to be added to the National Grid. Most of the new cables will be
suspended from pylons and run overhead while the rest will be buried underground.
Outline the advantages and disadvantages of both overhead transmission cables
and underground transmission cables.
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If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?

You are a sales representative for a company that makes a new alternate fuel for vehicles. you have prepared a presentation for the environmental engineers to sell your new product. what question do you expect the audience to ask regarding whether the new fuel will cause less damage to the environment? a. do we have to change any parts of the vehicle to use this alternate fuel? b. will the vehicles get better fuel mileage with the alternate fuel? c. how much greenhouse gas does your fuel produce compared with current fuel sources? d. is the alternate fuel more expensive than fossil fuel?

What are some properties of transverse waves?