Physics Predictions/Thoughts (15 Viewers)

[BionicMango]

Physics be like: The radius of the earth is 150 million km - find the mass of the sun

 

[chikki7]

Physics be like: The radius of the earth is 150 million km - find the mass of the sun

you nearly could tho i think with just that info
r^3/T^2 = GM/4pi^2

 

[cloudqlia]

Yoo do we need to know the michaelson-morley aether experiment

 

[retroojh]

u dont have to know it

Yoo do we need to know the michaelson-morley aether experiment

 

[cloudqlia]

also if i ever need to use v=root(grtan θ ), do i need to derive it first every time

 

[coolcat6778]

also if i ever need to use v=root(grtan θ ), do i need to derive it first every time

yes. the markers are trash.

it's easy to derive by drawing a triangle with a net force that is horizontal

 

[C2H6O]

also if i ever need to use v=root(grtan θ ), do i need to derive it first every time

wth is that formula

 

[svad]

wth is that formula

banked tracks mod 5. Basically max velocity the car can go around a banked track w/o friction

 

[coolcat6778]

HSC physics never asked a bank track question for so long over 20 years, despite it being mentioned in the syllabus. They might ask one tomorrow

 

[C2H6O]

banked tracks mod 5

Oh right I tend to avoid memorisation like the plague so probably threw it out of my head after learning it. I think for banked tracks I usually just do the long working anyway

 

[C2H6O]

HSC physics never asked a bank track question for so long over 20 years, despite it being mentioned in the syllabus. They might ask one tomorrow

Ohh sht it’s tmr

 

[svad]

Ohh sht it’s tmr

oh my god it just hit

 

[svad]

32 hours until freedom

 

[coolcat6778]

nvm they did ask a banked track question, 2019 derive an expression one (basically derive that formula)

nesa thinks making questions verbose makes them novel

They could've just said "Derive an expression relating velocity and radius to angle"

 

[BionicMango]

also if i ever need to use v=root(grtan θ ), do i need to derive it first every time

No that one should be fine

edit: unless it’s like 4-5 marks; if it’s just like 1-2 marks then no you don’t

 

[Joey07111]

What's the chances of a 9 mark Big Bang question on explaining the processes that led to transformation of radiation into matter or the evidence that led to the discovery of the expansion of the universe by Hubble.

 

[louieiscooked]

50/50, we get it or we dont

 

[v.tex]

Thank god this is over tomorrow

 

[v.tex]

What's the chances of a 9 mark Big Bang question on explaining the processes that led to transformation of radiation into matter or the evidence that led to the discovery of the expansion of the universe by Hubble.

Seriously though how could they give this to us when there is only one tiny dot point on it

 

[English hater]

nvm they did ask a banked track question, 2019 derive an expression one (basically derive that formula)

nesa thinks making questions verbose makes them novel

They could've just said "Derive an expression relating velocity and radius to angle"

u sound so arrogant when complaining about everything , i got a hard phys paper if u wanna try it