A 65-kg ice skater traveling at 6.0 m/s to the right runs head on into an 85-kg skater traveling left at 4.5 m/s. At what speed and in what direction do the ice skaters travel if they move together after the collision?

Gas cloud 1 is likely to form a star. gas cloud 2 is not. based on this information, match the given conditions with each cloud

The radius of an atom is closest in size to a

Amass weighing 24 pounds, attached to the end of a spring, stretches it 4 inches. initially, the mass is released from rest from a point 8 inches below the equilibrium position. find the equation of motion. (use g = 32 ft/s2 for the acceleration due to gravity.)