At any given time, approximately how much pressure is exerted upon you by the air above?

The necleus of an atom is made up of what subatomic particles?

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?

Positrons are spontaneously emitted from the nuclei of