Una esfera metálica, cargada negativamente, de pone en contacto con el centro de un disco metálico neutro como se muestra en la figura. Después del contacto se separa la esfera del disco. ¿desde el punto de vista eléctrico, cómo queda el disco

Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer

Awoman holds a book by placing it between her hands such that she presses at right angles to the front and back covers. the book has a mass of m = 1.8 kg and the coefficient of static friction between her hand and the book is μs = 0.67. no attempt 50% part (a) what is the weight of the book, fgb in newtons?

If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?