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If movement is in two dimensions: the x-coordinate of the velocity, and the y-coordinate of the velocity. Or alternatively: the magnitude of the velocity, and the direction.

If movement is in three dimensions, you need to know three things, for example, x-coordinate, y-coordinate, and z-coordinate of the velocity, or magnitude of the velocity and two components of direction.

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8y ago

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Related Questions

What three things do you need to now to describe the velocity of an object?

To describe the velocity of an object, you need to know its speed (magnitude of velocity), direction of motion, and reference point for measuring the motion.


When you know both the speed and the direction of an object's motion, you know the?

velocity of the object


When you know both the speed and direction of an object in motion you know the?

object's velocity


When you know both speed and direction an object in motion you know the?

When you know both speed and direction of an object in motion, you know the velocity of the object. Velocity is a vector quantity that describes how fast an object is moving and in what direction.


When you know both speed and direction of an object's motion you know the?

When you know both the speed and direction of an object's motion, you know its velocity. Velocity describes both how fast an object is moving (speed) and in what direction it is moving.


When you know the speed and direction of an of object's motion you know the?

The magnitude and direction of the object's velocity vector.


What the speed and the direction an object are moving?

If you know the speed and direction of the object's motion, then you know its velocity.


What 3 things are needed to describe an objects motion?

To describe an object's motion, you need to know its speed, direction, and position at any given time. These three pieces of information can help create a complete picture of how the object is moving.


How do you know motion occurred?

you need to know where the object is and where it is after a period of time


When you know both speed and direction of an object motion you know the?

velocity


How do you know if a object is in motion?

USE REFRENCE POINT ! >:(


How do we know an object is in motion?

An object is in motion if it changes position relative to a reference point over time. This change in position can be observed by tracking the object's movement. Additionally, motion can be detected by measuring the object's speed or velocity.