1.

a particle starts moving with constant velocity v=2 m/s from position x=5m.The position time graph will be????

Answer»

The correct one is (c) , we have seen that any p-t GRAPH where the velocity is CONSTANT the graph gives a straight line, here in option (a) the position is given as -5, as we know that displacement is a SCALAR quantity and hence cannot be negative , looking at option (b) the graph shows a negative velocity so the option (b) can possibly be correct but if the question said that the vehicle has returned to its INITIAL position ( displacement = final - initial )
coming to option (c) the graph gives a straight line as said earlier, it clarifies that the velocity is constant, and also the starting point to be 5M



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