Question 505165
Speed = 30km/hr

In 1 hour distcnce covered is 30km
i.e., in 60 mins distance covered = 30km
60 mins distcance covered = 30 *1000 meters
60 * 60 secs distance covered = 30000 metres
3600 sec distance covered = 30000 meters
1 sec discance covered = 30000/3600 meter
                    = 300/36
                     = 50/6
                     = 8.33 meters
Hence speed = 8.33 m/s