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balandron [24]
3 years ago
9

Which statement is true?

Chemistry
2 answers:
Setler79 [48]3 years ago
8 0
The first statement is true because s<span>peed, being a scalar quantity, is the rate at which an object covers distance. The average speed is the distance (a scalar quantity) per time ratio. Speed has nothing to do with direction. On the other hand, velocity is a vector quantity because direction is needed for this. </span>
Romashka-Z-Leto [24]3 years ago
8 0

Answer : The correct option is, Speed is a scalar quantity and velocity is a vector quantity.

Explanation :

Speed : It is defined as the distance traveled by the object per unit time.

It is a scalar quantity because it does not depends on the direction of an object but it depends on the magnitude of the object. The unit of speed is, meter/second or m/s.

For example : The speed is written as, 44 m/s.

Velocity : It is defined a the displacement of an object with respect to the time.

It is a vector quantity because it depends on both direction and as well as on magnitude of the object. The unit of velocity is, meter/second or m/s.

For example : The velocity is written as, 44 m/s north.

Hence, the correct option is, Speed is a scalar quantity and velocity is a vector quantity.

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