Three years ago I explained how to use photographs to estimate the speed of a passing car. You can read that article at https://physbang.com/2020/08/02/keep-the-cogs-turning/. Now it is time to use a similar technique to answer a more challenging question: what is the take-off velocity of a passenger jet? Of course, the answer could be found … Continue reading Aircraft take-off velocity
Keep the cogs turning!
The phenomenon of "learning loss" during the long summer holidays is well known so to keep your physics cogs turning, here's a brief challenge. I took my camera to the Five Mile Road on Saturday and photographed cars going past. The camera was set to 5fps so every sixth picture should have been recorded exactly … Continue reading Keep the cogs turning!
