Forces that are equal in size but opposite in direction are what a, balanced forces, b frictional forces, c, inertial forces or d, net forces.

Agraduated cylinder contains 63.0 ml of water. a piece of gold, which has a density of 19.3 g/ cm3, is added to the water and the volume goes up to 64.5 ml. calculate the mass in grams of the gold that was added to the water. explain how you got your answer.

All phase changes are .an example of a phase change is an ice cube melting

A0.25 kg arrow is moving at 5 m/s and hits a 0.10 kg apple. the apple sticks to the arrow, and both move to the right together. what is their velocity?