What quantity does this graph of a train's motion represent? Describe the train's motion
between 3 and 5 minutes. Explain whether this graph represents a vector or scalar quantity.
Why?
Train's Distance v. Timea
Distance (km)

This graph shows the distance moved by the train with respect to time

Between t = 3 to t = 5 the train is at rest

Since this graph shows the distance covered by the train so it is a scalar quantity

Explanation:

Here from the graph we can see the distance covered by the train with respect to time

So here from the slope of this graph we can find the speed of the train

Also from t = 3 to t = 5 we can see that slope of the graph is zero

So here n this time interval there is no motion or it is at rest

Now since we know that this is distance vs time graph so it is a scalar quantity showing in this graph

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