Question #fc13b
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"How do intermolecular forces affect freezing point?"
1 Answer
Jul 31, 2015
B. a ball moving at a constant speed around a circular track.
Explanation:
If it is true that the speed is constant the movement occurs with a velocity (vectorial) that changes continuously DIRECTION!!!! This change shows that there must be acceleration somewhere! This is the centripetal acceleration directed towards the centre of the circular trajectory.
