A 1-Kg Glider and a 2-Kg Glider Both Slide Toward

question 181

Multiple Choice

A 1-kg glider and a 2-kg glider both slide toward each other at 1 m/s on an air track.When they collide and stick,the combined-glider speed is

• A)0 m/s.
• B)1/2 m/s.
• C)1/3 m/s.
• D)1/6 m/s.
• E)1.5 m/s.