Two identical gliders slide toward each other on an air track. One glider moves at 1 m/s and the other glider moves at 2 m/s. They collide, stick, and move at

A) 1/2 m/s.
B) 1/3 m/s.
C) 1/6 m/s.
D) 3/4 m/s.
E) 1.5 m/s.


Answer: A

Physics & Space Science

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