Recent content by Skipe_

Yes, i understand what it means. I just don't understand how you can calculate it range being the only given variable.

Homework Statement A javelin is thrown 90m in an optimal starting angle. Air resistance is not taken into consideration. a) What is the optimal starting angle? b) At what speed does the javelin fly from the thrower's hand? Homework Equations The Attempt at a Solution I really have no clue on...

I may write a bit rubbish English since it's not my native language but please ask if something sounds wrong or hard to understand. Homework Statement The inner diameter of an iron cylinder is 80,00 mm (millimeter) and the inner diameter of an aluminium cylinder located inside this iron...