I was reading this article http://news.yahoo.com/ap-exclusive-graph-suggests-iran-working-bomb-161109665.html on Iran's nuclear programme and at first thought the numbers on the left (relating to kilotons of energy per second) were off, but then I realized that it relates to peak power output at...
Getting your maths up to par is going to be incredibly helpful. Try your best to do a lot of mechanics problems in maths. A good grasp of trigonometry and calculus will go a long way. I don't know any astrophysics-focused textbooks but I'm sure you can look up some university level textbooks to...
One ball is thrown upwards at 10 m/s, the other is thrown straight down (not dropped) also at 10 m/s. Which ball arrives first?
This is more of a theoretical question than anything. I know the relevant equations such as v^2=u^2 +2as, but I was thinking that the height of the building has to...