questions

Hi! I have been doing a few practice papers for physics and have a bunch of questions I am confused about! Does anyone know: 1. What is the best definition for an uncontrolled/controlled chain reaction. I would have said the number of fissions subsequently initiated in comparison to the number...

1. From a point P, a person observes that the angle of elevation of the top of a cliff A is 40°. After walking 100 m towards A along a straight road inclined upwards at an angle of 15° to the horizontal, the angle of elevation of A is observed to be 50°. Find the vertical height of A above P...

Hi everyone, Could someone help me with the following question please? It's from the 2003 HSC IPT paper. I have no idea if the IPT syllabus has even changed and if this is included in the new syllabus Thank you!!

It's subject selection soon and I'm really not sure what to choose. I'm worried that my subjects have too much essay writing and content, which will stress me out even more. I also still have to choose one more subject. Subjects that I'm sure on: - Maths Ext. 1 - English Adv. - Legal Studies -...

There is an amazing looking textbook purely on HSC Engineering Mechanics with over 230 Qs and their fully worked solutions that is soon to be released. Type the following into Facebook to check out the product/website - "eureka publications"