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the ant :eek:

i cant i keep throwing up every morning before exams

im doing my best for u jimmysmith

monkey

hello jimmysmith how is life

arent you in year 12? if so shouldnt you have done p&c in y11?

as quoted from some guy on the ********** discord: Recognise the distance travelled by the astronaut is 8 ly (0.8*10). Recognise that light from Earth will therefore take 8 years to travel the distance to astronaut. Therefore the light that he will see, will be the light from when he had been...

tbh i never touched the 1000 questions, just read through his textbook back in y11 because it was free so i dont really know

here is a link to howard's textbook for 4u, completely free https://howardmathematics.com/wp-content/uploads/2021/12/HSC-Mathematics-Extension-2-Textbook-v9-2021-12-03.pdf and here are 1000 4u questions also from steve howard...

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ah idk how i didnt notice that thanks

im not joking its actually driving me crazy idk why i cant do it

how did they get from the second last line to the last line? this is doing my head in from the 2022 ext2 paper Q15.a.i

try factoring out the c and the h

but how come you used positive 1.602*10^-19 rather than -1.602*10^-19 for the charge of the electron im sorry for sounding silly but i still dont rlly get the understanding behind it

just out of curiosity how would you have answered the original question if they didnt ask for electron volts and just wanted you to work in joules without making the conversion

ok

that switching from u to x with definite integrals always gives me the ick... feels illegal yet works

wdym