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No. Its not a law but is comes due to the 1st law thus its important

How the mighty have fallen. One moment ago I am wrong and now u r begging for help.

Yes and no. For 9 marks I would say deriving would be half of it. The rest and the harder part (hence why it is a 9 marker) is about linking them together and having an overall understanding

Yes bcos eplitcal means kinetic and GPE change but total is same. That means u can find out v from it. If it was circular u can't do that

Well if u direagard the first then the energy stuff falls apart. The second is useful aswell for extra deets. You really need to get back to the textbooks...

I mean its legit so easy. You can find velocity, period, radius all from the equations/laws. Gift of marks really

Easy ass question

There is a dot point on this: Satellites in orbit QVB Banked track Mass on a string

These are very rough questions which I am re wording from trials which I have done (Assume they are all 9 markers): 1. How does Kepler's laws and knowledge of a satellites total energy help us know their orbital speed, location and period? 2. Explain the concept of electromagnetic induction with...

For 1, I would say he got 2-3 only. They won't agree with his CAD statement

How similar?

Wont be asked cos they r in the sample questions

1. No chance 3/5 2. depends on marker 3. 3/5 4.3/5

Okay bro

@jazz519 what are your predictions?

https://www.afr.com/opinion/the-good-news-about-low-wages-growth-20171129-gzv0b9 This article we studied in class and said it was trade off. I will email it to NESA maybe and we can argue that all answers are wrong. (FREE MARKS)

18 is B and 8 is A

7 is defs not B. I think it would be D but none of them are that correct

My predictions were all pretty good lol. 3/4 for short answer and 2.5-3/4 in the essays

Well that was easy and nice