121.0 g of nh3 is mixed with 202.3 g of o2 and allowed to react. the reaction is complete when the nh3 is consumed. 99.56 g of n2 is formed and 31.80 g o2 remain unreacted. what mass of h2o is produced?

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

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?

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n