Question

plz give the answer it is really hard

Answer 1

9 km in m equal to 9000m and time 30 min equal to 30×60sec and speed equal to distance upon time so 9000÷ 1800which is equal to 5m/s.

Answer 2

hi friend,
here's your answer-

speed= 9000meter
time. = 1800 seconds
distance= ???

we know that,
speed= distance/time

= 9000/1800= 5m/s

hope my answer helps u please mark it as brainliest........