Q2)A 0.0520 kg golf ball is moving east with a velocity of 2.10 m/s when it collides head on withostationary 0.155 kg billiard ball . The golf ball rolls directly backward with a velocity of - 1.04 m/s . (a) What was the velocity of the billiard ball after the collision ? ( ) Was the collision elastic ? Be sure to prove your answer using energies !
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To understand roads and subways at new places.
To calculate distance between two places.
To know whether there are two or more paths to the same place and which is the shortest.
We can get information about mountains, rivers, valleys or any other thing, which may come on the way, and we can prepare for that.
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