Question

pls answer in detail​

Answer 1

Explanation:

A to B

distance=3m

time=3s

speed = distance/time

=3/3

=1 m/s

B to C

d=0m

t=2s

speed =0/2

= 0 m/s

C to D

d=4m

t=2 s

speed = 4/2

= 2m/s