1. A student sitting 2 meters from the bell of her classroom decides it is too loud. The following day, she sits in a chair that is 4 meters from the bell. How does the intensity of the noise compare?

Ominge cade de la inaptimea de 3 metri apoi sare de la podea pina la inaltimea de 0,5 metri. determina a) forma traectoriei mingii. b) deplasarea mingii. c) drumul parcurs de minge. va rog foarte mult va dau coroana