Question

name the physical quantity corresponding to the slope of the position time graph at a particular instant state whether the this instant is scalar or vector​

Answer 1

The name of the physical amount for the slope of separation time graph is speed.  

The physical amount for the territory under speed time graph is distance. Also, the incline of speed time graph is Acceleration.  

It can drown by requiring investment brought the X-axis and speed along the Y - axis.