Recent content by Davidman

But only speed is changing. Other things like strength of the glass, card and so on I can not change. I can just give higher speed to the card. Or am I wrong? By the way is it possible to calculate it?

Homework Statement Hello, I am international student, so sorry for possible mistakes in English. For our science night I naively choosed project, where I will try to calculate minimal necessary speed for thrown card to destroy glass (probably wine glass). There are two videos for illustration...