IB Physics May 2017 SL P1 TZ2 Q14

Hello!
Thank you for watching and (hopefully) enjoying this IB Multiple Choice Explainer!
A request from me - if you found this video helpful, please give a “like” and feel free to share with colleagues, friends or students. I make these videos to help my classes prepare for their exams and I would love to know if I’m being successful!
If you have a particular question you would like to see explained, feel free to ask in the comments section and I’ll see what I can do.
All the best!
Stephen