Arrange the following speeds in increasing order — 10 m s^-1, 1 km min^-1, 18 km h^-1.

A train takes 3 h to travel from Agra to Delhi with a uniform speed of 65 km h^-1. Find the distance between the two cities.

A train takes 2 h to reach station B from station A, and then 3 h to return from station B to station A. The distance between the two stations is 200 km.

Find —

(i) The average speed

(ii) The average velocity of the train

A car moving on a straight path covers a distance of 1 km due east in 100 s.

What is

(i) the speed and

(ii) the velocity of car ?