A man walks on a straight road from his home to a market 2.5 km away with a speed of `5 km h^-1` . Finding the market closed, he instantly turns and walks back home with a speed of `7.5 km h^-1`. What is the :- magnitude of average velocity, and

A boy goes to market at an average speed of 29 kmh^-1 .finding the market closed he return back by same path with an average speed of 40 km h^-1 . find the average speed and velocity for complete journey.

A boy goes to school from his home at a speed of x km/hr. and comes back at a speed of y km/hr., then the average speed is given by :

A woman starts from her home at 9.00 am, walks with a speed of 5 km h^-1 on a straight road up to her office 2.5 km away, stays at the office up to 5.00 pm, and returns home by an auto with a speed of 25 km h^-1 .Choose suitable scales and plot the x-t graph of her motion.

A racing car accelerates uniformly on a straight road from rest to a speed of 180 km h^(-1) in 25 sec.Find the total distance covered by the car in this time.

A passenger arriving in a new town wishes to go from the station to a hotel located 10 km away on a straight road from the station. A dishonest cabman takes him along a circuitous path 23 km long and reaches the hotel in 28 min. What is:- the magnitude of average velocity ? Are the two equal ?

Two parallel rail tracks run north-south. Train A moves north with a speed of 54 km h^-1 and train B moves south with a speed of 90 km h^-1 . What is the relative velocity of B with respect to A

A man walks at 1m/s for 60 minutes he takes rest for 20 minutes and then walks at a seed of 1m/s for 60 minutes find his average speed.

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 ?