A man travels 30m due north on a straight road and reaches a road junction. He then turns through `90^@` towards th east and moves 40m straight.Find
what is the displacement?

A man travels 30m due north on a straight road and reaches a road junction. He then turns through 90^@ towards th east and moves 40m straight.Find what is the distance travelled.

A woman travels a distance of 1 m towards north then 2m towards east and finally 3m towards south. Find the displacement.

A car travels due east on a level road for 3 km. It then turns due north at an intersection and travels 4 km before stopping. The magnitude of the resultant displacement of car is

A bird is tossing (flying to and fro 0 between two cars moving towards each other on a straight road. On car has a speed of 18 km /h while the other has the speed of 27 km /h. The bird starts moving from first caer towards the other and is moving with the speed of 36 km /h and when the two cars were separated by 36 km. What is the total distance comered by the bird ? What is the total displacement of the bird ?

Joseph jogs from one end to the other end B of a straight 300m road in 2minutes 30 seconds and then turns around and jogs 100m back to point C in another 1minute. What are Joseph's average speeds and velocities in jogging (a) from A to B and (b) from A to C?

A 50 kg man is standing on a flat boat at rest in a river.He moves 5 m to north and halts.If the boat has a mass of 450 kg,then the boat will moves through a distance :

A car is moving at a constant speed of 60kmh^-1 on a straight road. Looking at the rear view mirror, the driver finds that the car following him is at a distance of 100 m and is approaching with a speed of 5 kmh^-1 . In order to keep track of the car in the rear, the driver begins to glance alternatively at the rear and side mirror of his car after every 2 s till the other car overtakes. If the two cars were maintaining thier speed, whihc of the following statement is/are correct?