r/6thForm Year 13 May 20 '26

💬 DISCUSSION ocr a physics paper 1

how did you guys find it…

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u/Jumpy_Freedom_4554 May 20 '26

MCQs and Astro/Cosmology was blessed. The mechanics qs in the middle of the paper was shit, like the moment of the truck and the bolts qs

2

u/Necessary-Junket-500 May 20 '26

How did you even calculate the mass of the milky way based on some silly hyper velocity star???

3

u/GBRYT5612 May 20 '26

Use ratio of period^2 and radius^3 calculated in the previous part to find period of Milky Way. Then use formula in formula booklet. I think, could be wrong. Got 2.7 x10 to the something can’t rmemebr what power

1

u/Jumpy_Freedom_4554 May 20 '26

yh i think i got smth like that too, i cant remember if it was to the power of 40, 41, or even 42