: A 2 kg object moving at a speed of 3.0 m/s collides with a 1 kg object at rest. The two objects have Velcro on them, so they stick together after the collision and continue as a combined unit moving in the same direction as the original moving object. With what speed does the combined object move

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?