Atrain travels 56 km east from its starting position. its starting point is 45 km east of its station. what is its final displacement relative to the station?
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Ответ:
101km
Explanation:
If the train had started its journey starting from the station, its displacement would be 56km, but because the train began its journey 45km east from the station, what we must do is add the 56 km traveled to its initial position that is 45km (we can add them because both distances are on the same direction east):
the final displacement relative to the station is 101km to the east.
Ответ:
An object accelerates when its speed changes or its direction of motion changes or both. ... If the forces pushing or pulling on an object are not balanced (a net force acts) then the object will accelerate in the direction of the net force.
Explanation: