Answer:
we know that ,
[tex]velocity = \frac{displacement}{time} \\ \\ velocity = \frac{2m}{1s} \: = \: 2 \: m \: s {}^{ - 1} [/tex]
hope helpful~
v = d : t
d = distance/position
t = time
from the graph for t = 1 s, d = 3 m, so the velocity of the stone:
v = 3 : 1 = 3 m/s
