A 150g sample of water (initially at 45 degrees C) is mixed with a 200g sample of water (initially at 84 degrees C). Find the final temperature of the system.

Which describe reflection? check all that apply. light bounces off a boundary.

11. you want to calculate the displacement of an object thrown over a bridge. using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?

The volume of a gas is halved during an adiabatic compression that increases the pressure by a factor of 2.5. what is the specific heat ratio? show the math steps .