establish a point of reference (it will depend on the number of dimensions involved to determine the amount of numbers needed) and make all measurements from there.
The object's speed and direction.
No, you cannot.
Gravity and drag. Gravity accelerates the object and drag (caused by friction) slows it down. When the full effect of these two forces have been applied to an object, that object is said to have reached terminal velocity. A combination of mass, the size of the leading surface area and the shape of the object determine it's velocity. Example: A man with a closed parachute falls faster than a man with an open parachute.
it depends upon direction of forces or angle between them.
Determine the position of the object at two different times. The vector joining the first with the second of those positions points in the direction of the objects motion.
Take the component of the acceleration along the direction the object is moving. If this component is positive (the acceleration vector, or the relevant component, points in the same direction as the movement), then the object is speeding up.
It is the direction the radar is facing. It allows the radar to determine where the object is located in 2D or 3D space.
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Radar is an object-detection system that uses radio waves to determine the range, altitude, direction, or speed of objects
The noun 'direction' can function as the object of a verb and as the object of a preposition.Example sentences:I saw the direction that the thief ran. (direct object of the verb 'saw')He received the award for direction of the movie. (object of the preposition 'for')
An object will accelerate in the direction of the net force acting on that object.
Just add up the magnitude of all those forces.