A cello plays a C# note with a frequency of 277.2 Hz. If the speed of sound in air is 343 m/s, what is the wavelength of this note? (Round your answer to three significant figures.)

Explain earth's motion, using the terms "precession" and "rotation" in your answer.

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?

What is the coefficient of kinetic friction μk between the block and the tabletop?