Question

A man throws a ball of mass 0.5kg vertically upward with velocity 25m/s find 1.initial momentum 2.momentum at half way mark of maximum height ( g=10m/s )

Answer 1

Classification of minerals. Since the middle of the 19th century, minerals have been classified on the basis of their chemical composition. Under this scheme, they are divided into classes according to their dominant anion or anionic group (e.g., halides, oxides, and sulfides).