Which wave property is affected by the type of substance through which a wave travels? user: which wave property is affected by the type of substance through which a wave travels?

Which property of fossils allow scientists to determine the relative rock ages..

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?

If you place a magnet under a clear dish, and sprinkle iron fillings over it, above what part of the magnet will most of the fillings gather