Velocity is defined as the rate of change of displacement.
A car travels from `A` to `B` at `60km/hr` and returns to `A` at `90km/hr`.What is its average velocity and average speed?

Velocity is defined as the rate of change of displacement. Distinguish between average velocity and instantaneous velocity.

Velocity is defined as the rate of change of displacement. When does the average velocity become equal to the instantaneous velocity?

Acceleration is defined as the rate of change of velocity. Obtain the equation for displacement in time t .

A car travels a distance, S on a straight road in two hours and then returns to the starting point in three hours, Its average velocity is _____.

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

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 7.5km h^(-1) . a) What is the magnitude of average velocity, and b) average speed of the man over the following intervals of time: i) 0 to 30 min, ii) 0 to 50 min, iii) 0 to 40 min ?

A vehicle did the first 120 kilometres of a trip at an average speed of 30 (km) / h and the next 120 kilometres at 20 (km) / h . What is the average speed of the entire. trip?