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Oh, well I guess if we got the same answer then both ways are correct.

I used the data. More specifically, the horizontal displacement and the velocity to find the time and then subbed that into the vertical displacement formula. Maybe I switched off at that stage but yeah that's what I did

Didn't you just have to use the Vertical displacement formula? I got 2.5m as well

Re: Thoughts on the exam? Before: About 85 Now: 81/82

The explanation was fine, it was just the velocity graph which got me.. How many marks would one lose in the event of the graph being wrong?

Regarding that question about the trolley with the copper bar, what did everyone graph the velocity to be?

Sorry, I just re-read what I typed the first time. Yes, I linked applications and properties.

I only spoke about the properties which make sodium-24 a suitable radioisotope in industry (type of decay, half-life and what it decays to + an equation)? Would that get me the 5?

That's fair. Thanks for the response

What do you guys think an 85 would align to?

I'm very late in commenting on this but this thread is GREAT!

Hi guys, I'm Bill My subjects for 2015 are: Mathematics Physics Chemistry Studies of Religion II and English Advanced I'm hoping to get into Commerce/Science at USYD

Good evening, friends! How's everyone finding Year 12 so far?