If a ball is dropped from the top of a 10 m building and it hits the ground 2 seconds later, what speed was the ball traveling ?

What is the molar mass of potassium nitrate, kno3

When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device

All of the following are homogeneous mixtures except a) sugar dissolved in water. b) orange juice. c) coffee with cream. d) household vinegar. e) apple juice