Anna Litical and Noah Formula are doing The Cart and the Brick Lab. They drop a brick on a 1.82 kg cart moving at 27.8 cm/s. After the collision, the dropped brick and cart are moving together with a velocity of 13.1 cm/s. Determine the mass (in kg) of the dropped brick.?

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?