Water vapor condenses into a glass of water. The water is then placed in a freezer and changes into ice. What remains consistent as the water changes states? a. its chemical properties

b. its physical properties

c. its appearance

d. its temperature

What is the internal energy of 4.00 mol of diatomic nitrogen gas n2 at 455k

Agymnast dismounts off the uneven bars in a tuck position with a radius of 0.3m (assume she is a solid sphere) and an angular velocity of 2rev/s. during the dismount she stretches out into the straight position, with a length of 1.5m, (assume she is a uniform rod through the center) for her landing. the gymnast has a mass of 50kg. what is her angular velocity in the straight position?

From 0 to 5 seconds john pushed a box 5 meters. from 5 to 10 seconds, paul pushed the same box another 5 meters. who did more work? a. john b. paul c. john and paul did the same amount of work.