Sujet Grand Oral Maths Physique File

I shouted at my screen. My mother ran in. "Léa? What is it?"

Where (T) is temperature, (t) is time, and (\alpha) is thermal diffusivity. But that wasn’t the real problem. The real problem was . Stone expands when hot. But it doesn’t expand evenly. Sujet Grand Oral Maths Physique

The natural frequency of the vault’s oscillatory mode? Calculated from ( \omega_0 = \sqrt{\frac{k}{m}} ) where (k = \frac{E \cdot A}{L}) (with (E) = Young’s modulus of limestone (50 , \text{GPa}), (A) cross-section, (L) length). It was... 0.499 Hz. I shouted at my screen

I wrote:

I grinned. That was the final test.