Is an object on the surface of Earth sitting still relative to outer space?

Which statement correctly describes the relationship between frequency and wavelength?

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?

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?