A rock in space travels in the +x direction with a speed of 6 m/s and collides with an identical rock at rest. After the
Posted: Sun Jul 10, 2022 11:53 am
A rock in space travels in the +x direction with a speed of 6 m/s and collides with an identical rock at rest. After the collision, the first rock is traveling at 4 m/s at an angle of 60 degrees with respect to the +x axis. What is the speed of the second rock after the collision, in m/s? Answer: