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How do they align marks if 2 people ranked 1st internally, and say 1 did well in the exam and the other badly?

If I got a raw mark of 95 in the trial, what do you think my hsc mark would be, after the whole moderation process?

I dunno, I wrote extra booklets and everything

I finished 2 hours early :S

Okay so I was under the impression there is no back emf in a generator But my class notes say that a DC generator has no back emf AC generator has back emf due to eddy currents How can this be?

a calibration is just a line of best fit isn't it?

a bottle of cream has 8.20ppm aluminium. The bottle contains 9 g of cream determine the mass of al in the cream please show all working thankyou so much :D

haha, great thankyou :)

Hey, we've done an investigation in physics, and I'd just like to make sure I'm calculating correctly cause my values of g are totally whacked out, its projectile motion off the edge of a table onto the floor table height :0.75m distance travelled: 0.19m t: 0.2, 0.3, 0.4 seconds so using...