Recent content by Grog85

Yes, small 2 above the u. Thank you for your help. I'll see how I get on.

Hello, first post for me so I am sorry if this is in the wrong topic. I'm am from the UK studying A-Level Physics. I understand some formulas but this is testing me. Before I message my tutor I thought I would try here. Looks like a very useful website. Letters in expressions and...