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Section I: Multiple Choice (1 Viewer)

IamKirby

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I got centripetal and reactant force. This is because if there was only gravity it would fall straight down :)
Are you sure? It said stable orbit so I thought that implied it was undergoing centripetal force due to gravity with a constant speed


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HecticLad

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I got centripetal and reactant force. This is because if there was only gravity it would fall straight down :)
nah the satellite is kept in place by its velocity not a counter force, centrifugal force is a pseudo force resulting from trying to explain the inertia of objects in a non inertial frame
 

Drsoccerball

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nah the satellite is kept in place by its velocity not a counter force, centrifugal force is a pseudo force resulting from trying to explain the inertia of objects in a non inertial frame
Theres a reaction force for everything so... Anyways its too early lets relax and wait :)
 

Drsoccerball

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It was alright. It was just that question hahahha. I know for sure I got more than 75%. Really hoping for mid 80%. Some of the multiple choice was definitely iffy. I thought it was harder than previous tests though
Dont underestimate physics HSC marking.
 

HecticLad

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Theres a reaction force for everything so... Anyways its too early lets relax and wait :)
the reaction force is the gravity of the satellite acting on the planet, however because its mass is so small, the effect is negligible
tbh tho i dont think im going to be able to sleep until i get my marks
 

karan96

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is anyone gonna upload the paper so we can get mc solutions or nah
 

IamKirby

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is anyone gonna upload the paper so we can get mc solutions or nah
If you don't have it, why do you expect other people to? Yeah teachers have it, but I don't think their priority is uploading a hsc paper for you which won't at all change your mark.
 

karan96

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If you don't have it, why do you expect other people to? Yeah teachers have it, but I don't think their priority is uploading a hsc paper for you which won't at all change your mark.
relax haha, happened for eco so i assumed people might do it here too
 

IamKirby

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Yeah well in my opinion the way you asked was rude


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Crisium

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Air resistance....
I thought of it in regards to projectile motion because I read of an example where they say the rocket used to launch a satellite into space will not make it a projectile (since it's being propelled with the constant thrust force) BUT when it runs out of fuel then it becomes a projectile --> As we all know the only force acting on a projectile is gravity so yeah

gg no re to my crappy reasoning - Some aspects of multiple choice killed me but the SA and option were good
 

rand_althor

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is anyone gonna upload the paper so we can get mc solutions or nah
lol woops threw my copy away with all the rest of my HSC stuff. I think Fizzy_Cyst might upload it if he manages to get a paper.
 

Drsoccerball

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Re: HSC Physics - Exam Paper (download)

I got :
1)C
2)B
3)B
4)D
5)A
6)B
7)C
8)C
9)B
10)A
11)C :(
12) D
13)C
14) C
15) A
16)C
17)A
18)A
19)C
20)B

:(
 

Kaido

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Re: HSC Physics - Exam Paper (download)

11 C, what kinda fucked up shit you smoking

is 10 A or B?
 
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