Year 12s: what will be the first way you research your future options? >>

Year 12s: what will be the first way you research your future options? >>

Year 12s: what will be the first way you research your future options? >>

SI units

I really should know this seeing as i just took the edexcel AS exam lol. But what are SI units - im thinking about the question in PHY2 - what were the units for pressure?

Anyone know if the answers get posted anywhere now the exams over?

SI units are standard units. If equations are used with these types of units, the outcome will be another SI unit. Im not going to give you the pressure one, because Im not actually certain and I dont want people to laugh at me :biggrin:

:biggrin:

If you look on the internet there are plenty of SI unit 'tutorials' around.

joker_900

I really should know this seeing as i just took the edexcel AS exam lol. But what are SI units - im thinking about the question in PHY2 - what were the units for pressure?

Anyone know if the answers get posted anywhere now the exams over?

SI units of pressure => N/m².

Yup, it's newtons per square metre, N/m^2, otherwise known as pascals, Pa.

OP

OK cheers guys. Got that wrong then - thought it meant base units :s-smilie:

:s-smilie:

if it wants pressure in base units it's kgm^-1s^-2

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