Help this was due yesterday...

What object a collides with object b and bounces back its final momentum is?

Which branches of natural science include the study of an organism that lived 10 million years ago

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?