Which statement is an example of velocity? Responses A skateboard moves 2 meters per second. A skateboard moves 2 meters per second. A car travels east at 55 kilometers per hour. A car travels east at 55 kilometers per hour. A ball rolls 50 centimeters away from the table. A ball rolls 50 centimeters away from the table. A student walks 20 meters down the street.
A car travels east at 55 kilometers per hour.
The statement "A car travels east at 55 kilometers per hour" is an example of velocity.
The statement "A car travels east at 55 kilometers per hour" is an example of velocity. Velocity is a vector quantity that describes the rate at which an object changes its position in a specific direction. In this statement, both the magnitude (55 kilometers per hour) and the direction (east) are provided, making it a clear example of velocity.
To determine which statement represents velocity among the given options, we need to identify the presence of both magnitude (how fast an object is moving) and direction (the path the object is following) in the statement.
Let's go through each option:
1) "A skateboard moves 2 meters per second": This statement only provides the magnitude of motion (2 meters per second) but doesn't mention any direction. Therefore, it represents speed, not velocity.
2) "A car travels east at 55 kilometers per hour": This statement includes both the magnitude (55 kilometers per hour) and the direction (east) of the car's motion. It describes velocity.
3) "A ball rolls 50 centimeters away from the table": This statement only provides the magnitude of displacement (50 centimeters) but doesn't mention any direction. Therefore, it represents distance, not velocity.
4) "A student walks 20 meters down the street": This statement only provides the magnitude of displacement (20 meters) but doesn't mention any direction. Therefore, it represents distance, not velocity.
Therefore, the statement "A car travels east at 55 kilometers per hour" is the example of velocity from the given options.