Mathematics Predictions/Thoughts (6 Viewers)

[abdulrahmanbhatti02]

Was that option that the acceleration has to equal 0 ???

That question was pretty weird

 

[abdulrahmanbhatti02]

Yep

OK good!!!!

 

[StudyOnly]

If ure referring to the mc question, I put at t=3

Nah for the last question part b

 

[abdulrahmanbhatti02]

Was that option that the acceleration has to equal 0 ???

I think the logic point it is the the displacement graph must have a POI between the two SPs, therefore acceleration has to equal 0

 

[flowerp]

Yep I got that, it wasnt too hard. You just had to get the right angle. One angle was 60 degrees and one side was 1. Then you use the tan ratio to solve

How did u prov

Nah for the last question part b

I got an ans less than 1 which is bizarrely small - Im pretty sure I got it wrong!!

 

[abdulrahmanbhatti02]

I think the logic point it is the the displacement graph must have a POI between the two SPs, therefore acceleration has to equal 0

behind*

 

[4u Boy]

Yep

I'm so lucky I have a physics background

 

[StudyOnly]

How did u prov


I got like 0.222 which is bizarrely small - Im pretty sure I got it wrong!!

I got 5.(something) i think

EDIT: Made a typo on the calculator or I just remember wrong. I redid it and got 1.5

 

[flowerp]

I think the logic point it is the the displacement graph must have a POI between the two SPs, therefore acceleration has to equal 0

Yep that's right! I accidently realised I circle the wrong one after the exam cuz I was rushing! Oh well

 

[abdulrahmanbhatti02]

How did u prov
My proof was long. But basically, first I proved that the angle in that triangle was equal to 90. Another angle in there was 180 - 120 = 60. And one of the sides was 1 (regular hexagon). So then tan 60 = O/A and i got it from there

I got like 0.222 which is bizarrely small - Im pretty sure I got it wrong!!

 

[abdulrahmanbhatti02]

I got 5.(something) i think

I think i got 1.53 m to right of origin(not sure tho). I think i stuffed this up

 

[flowerp]

Yep mine was long, slightly diff cuz I fudged a part - hopefully Ill get 2/3 marks for that one

 

[abdulrahmanbhatti02]

Yep mine was long, slightly diff cuz I fudged a part - hopefully Ill get 2/3 marks for that one

Hopefully the dont notice the fudge!

 

[4u Boy]

I think i got 1.53 m to right of origin(not sure tho). I think i stuffed this up

Yes I got the same!!!

 

[abdulrahmanbhatti02]

I think i got 1.53 m to right of origin(not sure tho). I think i stuffed this up

Yes I got the same!!!

YESSS

 

[BobbyBob]

2U 2019 Paper

 

[4u Boy]

So far I've lost 2 Marks

1 for time repayments because I wrote 6 instead of 24

And another for MC Q10

 

[Bandsaw27]

How the hell are you actually meant to do those abstract ass q16 questions? I've done past papers going back to like, 2003, and every single time for the last question they pull out some weird shit every year which has barely any resemblance to questions previously seen - I never can see how to do them under time pressure. Rip ~15 marks between the last two Qs.

 

[Drdusk]

2U 2019 Paper

OMG NO WAY AHHAHA

15 C stolen from a James Ruse paper IIRC

 

[abdulrahmanbhatti02]

OMG NO WAY AHHAHA

15 C stolen from a James Ruse paper IIRC

LMAOO