Question

Pls calculate the speed from given figure

Answer 1

Answer:

refer this.............

Answer 2

Explanation:

we know that speed =distance /time

then

1-d=1.8 t=2s

s=d/t

s=1.8/2

=0.9m/s

2-d=3.6 t=2

s=3.6/2

=1.8m/s

3-d=2.7 t =4

s=2.7/4

=0.675m/s

4-d=2.7t=3

s=2.7/3

=0.9m/s