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- 13
How'd the Paper go for you guys??
Hoping for a threshold b/w 35-40 for an A..
Hoping for a threshold b/w 35-40 for an A..
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Physics 9702/21
- Thread starter WILSON ODHIAMBO
- Start date
- Messages
- 41
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- 16
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- 8
it wasnt hard
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Left it blank... What was the initial k.e?? And the loss?
What about the ratio of power dissipated??
What about the ratio of power dissipated??
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- 64
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- 14
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- 8
ke was just o.5*mass*initial speed squared
The ratio was just 8 and 1/8 the force was 16/21
The ratio was just 8 and 1/8 the force was 16/21
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Got those too
... Only the force I didnt get...
... Only the force I didnt get...- Messages
- 64
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- 14
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- 8
it was not the hard the only tricky one was gthe one to stae what happened betwee OP
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- 64
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cuz it asked what was the frictional force and you knew that KE=GPE + HEAT FRICTION cuz it was upwards and when it reached 21m V=0 by calculating HEAT enrygy u divided by 21m and got the force by W=FD
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- 13
For the Radio-waves?
Well, wrote the strongest reception would be a O,weakest in between OP, and also strong at P,but not as much as O... Not too sure..
Well, wrote the strongest reception would be a O,weakest in between OP, and also strong at P,but not as much as O... Not too sure..
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Oooohhh... That skipped my mind..
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- 14
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- 8
SAME here heheh! u knew that beteween OP was a minima ! and if u calculated the path difference for P which was sth like 6 lambda which means its a maxima there ! nice what ahbout those vectors they were dead easy im afraid the grade boundary is pretty high and ppl get screwed
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- 12
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- 2
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Yea, I calculated it but on a blank page... Didnt put it down on the answer.... looks like it'l be high...
Which vectors?? Cant remember,..
Which vectors?? Cant remember,..
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- 64
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- 14
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- 8
from the start having a suspendded ,mass to calculate thetha was dead easy i gott screwed by a big boundary once hope wont happen this times
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- 12
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- 2
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Ohhh.. I remember.. I got theta as 44.2.. Cant remember my T value... What did you get?
I hope its low! At most it should be 43 for an A..
I hope its low! At most it should be 43 for an A..
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- 64
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- 14
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- 8
44.2 WOOOOOOOWOO
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- 12
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- 2
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What was the kinetic model thing? I wrote my own stuff... Lol
T is 49.5
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- 64
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- 14
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- 8
yay more hela more answers pls
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- 220
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- 53
NO DISCUSSION BEFORE 24 HRS.!!!!!
The test, simply put, was easy.
Now these boundaries will be dead high, and the people that would've gotten A* anyways, will get them, but average people like me will now have to deal with slightly weaker student competition because of the boundary being so high.
Now these boundaries will be dead high, and the people that would've gotten A* anyways, will get them, but average people like me will now have to deal with slightly weaker student competition because of the boundary being so high.