Which of these statements best supports the conclusion that a substance is in the plasma phase? a) the substance is flowing. b) the substance has low kinetic energy. c) the substance is at a high temperature. d) the substance contains charged particles.

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.

A58-kg boy swings a baseball bat, which causes a 0.140-kg baseball to move toward third base with a velocity of 38.0 m/s.

A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?