If you are asked to calculate an object's velocity, in order to do so you must know the object's direction and speed. therefore the correct answer to the given problem statement is option A
What is Velocity?
The total displacement covered by any object per unit of time is known as velocity. It depends on the magnitude as well as the direction of the moving object.
Further, the rate of change of the velocity is known as the acceleration
The mathematical expression for velocity is given by
velocity= total displacement/Total time
If an object moves 500 meters in total over the course of 15 seconds, its velocity would be 33.33 meters per second.
The speed of any given object does not contain information about the direction of motion while the velocity of any moving body contains the magnitude of speed as well as the direction
Thus, If you are asked to calculate an object's velocity, in order to do so you must know the object's direction and speed. therefore the correct answer to the given problem statement is option A
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