A student mixes 81 g of liquid water at a temperature of 23 °C with 55g of liquid water at a temperature of 56 °C. What is the final temperature of the combined mix? Write your answer to two decimal places. For example, if your answer is 45.234 °C, write as 45.23. Another example, if your answer is 23.6 °C, simply write as 23.6.

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive