a 0.27kg marble collides with a 0.19 blue marble before the collision the red marble had a velocity of 2.5m/s and ther blue marble was at rest after the collision the blue marble had a velocity of 2m/s what was the velocity of the red marble after the collision

If a substance is in the gas phase, which of qualities of the gas will stay constant? a: volume b: mass c: shape d: position of particles

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.

A40.0 l tank of ammonia has a pressure of 12.7 kpa. calculate the. volume of the ammonia if it’s pressure is changed to 8.4 kpa while its temperature remains constant.