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velocity ( v ) (Physics Dictionary)

velocity ( v ) : A vector quantity defined as the rate of change of the position of an object with respect to a given frame of reference. Velocity specifies both an object’s speed and direction of motion (e.g. 60 kilometres per hour to the north).

_ ស្វែងរកឬបកប្រែពាក្យផ្សេងទៀតនៅប្រអប់នេះ៖
ឯកសារការងារនិងរៀនគ្រប់ប្រភេទ៖​
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