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A particle attached to an elastic string is dropped from an origin with a velocity of 4m/s. After it has travelled x metres it has an acceleration given by (2-2x)m/s^2. Find the maximum velocity of the particle in exact form.

Based on assessment tasks at the end of the first semester: English: 75% Maths 2U: 62% Maths 3U: 51% Physics: 86% Chemistry: 88% Economics: 93% We haven't gotten any half yearlies back, but should I even bother applying for early entry?

A hot air balloon is descending at a rate of 5m/s whilst it is carried away eastward by the wind at a rate of 7m/s. In order that they do not crash, the pilot released a sandbag, causing the balloon to ascend 0.5m/s upward. Unfortunately this was not enough, and the balloon ended up crashing on...

So, we had our half yearlies and we got our results back today. I fucked up maths brutally: Physics: 100% (assessment) Chemistry: 96% (assessment) Economics: 92% English: 81% Math 2U: 65% (assessment) Math Ext1: 53% Do half yearlies even play a big role in the HSC (all my half...

So, I pretty much failed my maths assessments, these are my marks and ranks: Math 2U: 74% 14/43 Math 3U: 51.7% 18/18 For my other subjects, (physics, chemistry, economics) my ranks are ask within top 3 and my marks are above 90%, it's just math I'm struggling with. My half yearlies are next...

So, I want to get a 95+ ATAR, but the first round of assessments hit me like my daddy. First Assessment task results: Physics: 89% Chemistry: hasn't been marked yet Economics: 83% Mathematics (2U): 70% Math 3U: 44% English: hasn't been marked yet Based on this performance, did I...