A car travels with speed 30 km h-1 for 30 minute and then with speed 40 km h-1 for one hour.
(a) the total distance travelled by the car
(b) the total time of travel, and
(c) the average speed of car
A train travels a distance of 300 km with an average speed of 60 km h_1. How much time does it take to cover the distance?
Write true or false :
The motion of a train starting from one station and reaching at another station is non-uniform.