Question on: SS1 Physics - Scalar And Vector Quantities
Which of the following quantities is described by both magnitude and direction?
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A
Time
B
Distance
C
Speed
D
Acceleration
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Correct Option: D
Acceleration is a vector quantity, meaning it is described by both magnitude and direction.
- Magnitude: The rate at which velocity changes (e.g., 5 m/s²).
- Direction: The direction in which the velocity is changing (e.g., North, towards the center of the circle).
Time, distance, and speed are scalar quantities, possessing only magnitude.
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