A body moves at a speed of `100 ms^(-1)` for `10 s` and then moves at a speed of `200 m s^(-1)` for `20 s` along the same direction. The average speed is …………………………….,

A body moves in the southern direction for 10 s at the speed of 10 ms^(-1) . It then starts moving in the eastern direction at the speed of 20 ms^(-1) for 10 s , The magnitude of the average velocity is …………………………, The averge speed is ……………………., The total displacement will be .....................,

A body moves in the southern direction for 10 s at the speed of 10 ms^(-1) . It then starts moving in the eastern direction at the speed of 20 ms^(-1) for 10 s , The magnitude of the average velocity is …………………………, The averge speed is ……………………., The total displacement will be .....................,

A body moves with a velocity of 10 m/s for 10 s and then with a velocity of 20 m/s in the same direction for 40 s. Find its average velocity.

A body moves with a unifrom speed of 10 km h^(-1) for 2h. The average speed of the body is ______ km h^(-1)

A body moves with a contant speed of 10 m s^(-1) for 1 hour. The distance travelled by the body is _____

A body moving along a straight line travels one third of the total distance with a speed of 3.0 m s^(-1) . The remaining distance is covered with a speed of 4.0 m s^(-1) for half the time and 5.0 m s^(-1) for the other half of the time. The average speed during the motion is

A car travels with a speed of 25 m//s for 2 minutes and then with 20 m//s for 1 minute.Define average speed.

Two railway tracks are paraller to west-east direction . Along one track train A moves with a speed of 30 m*s^(-1) from west to east, while along the second track, train B moves with a speed of 48 m*s^(-1) from east to west . The relative speed of B with respect to A is