The speed of sound v in a medium depends on its wavelength , the young modulus E, and the density p, of the medium. Use the method of dimensional analysis to derive a formula for the speed of sound in a medium.

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?