Which of the following are compounds? Cu

Fe

H

KF

NaCl

Ag

Si

H2O

HCl

Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant

Atomic nuclei of almost all elements consist of

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?