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?

a longitudinal wave moves energy that is to the direction of the wave’s movement. - true

as we probably am aware that our atmosphere or air have various levels, each level has different gasses, and each gas has another porousness. at the point when the light originates from lower porousness to higher penetrability, it alters its course. with the goal that implies that when the light originates from the moon to the earth, it alters it's course a lot more occasions. it essentially implies that the state of the light piece of the moon is changed on the earth.

not copied too! hope this !

joke:

h o h o hope you have a merry christmas!