What is the kinetic energy of a 2.3 kg ball that is thrown into the air with an initial velocity of 23.4 m/s?

The particles of an ice cube at 0°c (represented by the blue circles) come in contact with the particles of juan’s hand at 37°c (represented by the orange circles). which diagram correctly represents the temperature of the two substances and the direction of heat flow?

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?

Which system of units is used by only a small number of countries in the world, including the u.s.