Mankul Messages 1 Reaction score 0 Thread starter Oct 20, 2008 #1 Hi, Can you help me with this, I don't know how to go about solving this. Question:
borgwal Messages 367 Reaction score 0 Oct 20, 2008 #2 You have to show "something" does not change with time. So, start with writing down an expression for that "something", then take the time derivative, and see how far you get.
You have to show "something" does not change with time. So, start with writing down an expression for that "something", then take the time derivative, and see how far you get.