State whether speed is a scalar or a vactor quantity. Give reasons for your choice
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Answer: Scalar quantity
Explanation: Speed is a Scalar quantity, because its magnitude doesn't change with change in direction
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Speed is a scalar quantity.
This is because speed is the total distance travelled/time.
Since total distance travelled cannot be negative,
Speed cannot also be negative.
Hence speed is a scalar quantity which has no direction to be negative.
Hope this helps you...
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