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Physics unit 1 6PH01 discussion :)

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MarvinM

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blossom edward said:
soo yes...here we go...
wat was the CO2 emision???
wat was the horizontal distance covered by the ball???
wat was the time taken for energy question???
actually all the calculation part...i need answers!! :p im way tooooo scared...
Click to expand...
For the co2 emission I got like 0.78 , which is most probably wrong
I think for the horizontal distance I got like 206-218 (can't remember :p)
Which energy question ?
 
B

blossom edward

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MarvinM said:
For the co2 emission I got like 0.78 , which is most probably wrong
I think for the horizontal distance I got like 206-218 (can't remember :p)
Which energy question ?
Click to expand...
for the carbondioxide...thing wat i did was i subtracted the emission values for both the velocities..and then i think i multiplied by 3....sooooo i got sumthng like 2 sumthn......
the enegy question...sumthn abt 540kJ and 25% efficieny...and it said to calculate the time???
 
Mufaddal

Mufaddal

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blossom edward said:
for the carbondioxide...thing wat i did was i subtracted the emission values for both the velocities..and then i think i multiplied by 3....sooooo i got sumthng like 2 sumthn......
the enegy question...sumthn abt 540kJ and 25% efficieny...and it said to calculate the time???
Click to expand...
i got the time as 612 minutes
 
A

Ahmeday

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MarvinM said:
For the co2 emission I got like 0.78 , which is most probably wrong
I think for the horizontal distance I got like 206-218 (can't remember :p)
Which energy question ?
Click to expand...
horizontal distance wasnt tht 184 m or smthing?:O
 
M

MarvinM

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blossom edward said:
for the carbondioxide...thing wat i did was i subtracted the emission values for both the velocities..and then i think i multiplied by 3....sooooo i got sumthng like 2 sumthn......
the enegy question...sumthn abt 540kJ and 25% efficieny...and it said to calculate the time???
Click to expand...
The problem with that CO2 question was that the graph said something like the Co2 emission kg km , so it was per kilometer . So you had to calculate as well how many kilometers they travelled an then times this by the co emission and amount of cars , thats what I did :)
 
Ayesha B

Ayesha B

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Oh gosh the time limit was the main issue I guess. that 7 degrees and 1 ms-2 was just terrible. :p

Still sososo glad I resat this paper. Atleast it felt like I was doing Physics. Jan'13? Don't ask :p
 
Ayesha B

Ayesha B

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Mufaddal said:
The last ten minutes i was just writing anything that came into my head...the paper was sooo long!
Click to expand...
LOL same. I just couldn't leave the space empty so I guess I did the equivalent to making a few pen marks here and there.
 
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Aaron Rodrgp

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blossom edward said:
for the carbondioxide...thing wat i did was i subtracted the emission values for both the velocities..and then i think i multiplied by 3....sooooo i got sumthng like 2 sumthn......
the enegy question...sumthn abt 540kJ and 25% efficieny...and it said to calculate the time???
Click to expand...

662 minutes?? is that what you got? :)
 
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