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I didn't. Is that okay? :/ I mean, it's just a sketch ....

Right....I'm new here....how do I PM u? :$

Yh...I meant...50s...so hopefully 55 .. :| Also....the differential equation question was kinda weird:.. Can we discuss the paper now? ....if not, how long must I wait? |:

I found the paper extremely tough, especially the last question !!! What do u think the GT will be? Hopefully in the 50s for an A????

wasnt the power loss = 2.4 x10^-3 - 1996 = 404 ? i.e. 404 W ???

i used 2.83...

i rounded off to 6.5 hours ....

2.19 ...

guys...what value did u get for acceleration ? in the shm question...

i too forgot aLLLLLL about STUPID ....x-rays ... :(

energy = potential x mass.... u substitute for potential, multiply and divide by h....replace g...and u get mgh i think...(not sure tho)

yup...i did that too...except i converted it to meters ,..idk whether its right or wrong tho

i got 5030 :s

what was the value of "h" there? it said ..loong..distance from the planet??

Yup...it was the nerves in my case too.

I'm probably getting around 46 ...what grade is that? /: is it a B?

Horrible paper. Couldn't answer the questions well. :(

Ok as in???? Was it like the past papers? Was section B difficult?

Ultrasound waves may be generated using a piezo-electric transducer. (a transducer is the name given to a device that converts one form of energy to another.) When the quartz crystal is unstretched, the centers of charge of the positive and the negative ions in any one unit coincide. Electrodes...

I suppose u were right about .... v = square root of GM/r so when r decreases, v increases?? pls confirm it :/ So...they are inveresely proportional.