What is the total displacement of the car after five h? 0km 15km 20km 40km

The total displacement of the car after five hours - 0km.

Displacement -

Displacement is a vector quantity that refers to the object's overall change in position.change in final position from its initial positioncalculating the distance between an object's initial position and its final position.In physics terms, displacement is referred to as the variable s. The official displacement formula is as follows:

                 s = sf – si.

where, s = displacement.

In the given graph there is a change in distance covered with the time that are:

after two hours it reaches 15 km away from the initial pointafter 4 hours car reaches 20 km away from the initial pointAfter 5 hours it returns back to the initial point.

Thus, the displacement would be 0 km as the final point and initial point are the same.

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It's right there on the graph ! At 5 hours, the displacement is zero.

"How can that be ?", you ask.
That's a great question.
The car started out, drove farther and farther from home for the first 4 hours, then drove back home during the 5th hour. It's all right there on the graph.

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The duration of a photographic flash is related to an rc time constantly