Question

State whether speed is a scaler or a vector quantity. Give reason for your choice

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Answer 1

Answer:

speed is a scalar quantity.. because it can be described completely by its magnitude, direction is not needed... whereas in vector quantities, magnitude as well as direction is required

Answer 2

Explanation:

The speed is dependent only on the magnitude not on the direction. In the case of vector quantity both magnitude and direction are required. For speed only magnitude is considered. Hence,speed is a scaler quantity