Considering the definition of velocity, the velocity is 0.2 m/s due east.
Definition of velocity
Velocity is a physical magnitude that relates the displacement of an object, the time it takes to make this change in position and direction, so it is considered a vector magnitude.
In other words, the velocity can be defined as the amount of space traveled per unit of time with which a body moves, considering the direction, and can be calculated using the expression:
velocity= distance traveled÷ time
Velocity has units of distance/time and includes direction of travel.
This case
In this case, you know:
- distance traveled= 4 meters
- time= 20 seconds
- direction= east
Replacing in the definition of velocity:
velocity= 4 meters÷ 20 seconds
Solving:
velocity= 0.2 m/s
Finally, the velocity is 0.2 m/s due east.
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