1.

A car is moving along a straight line, say op

Answer»

Let the DISTANCE from o to pay =x
Time TAKEN to cover x =18sec
We know, Average Speed = total distance /total time
i) distance =x, time =18
HENCE, speed =x/18 - - - - - (1)
Also, average velocity = total displacement /total time
Hence, displacement =x and time =18
Velocity =x/18

ii) distance =2X



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