Home
Class 11
PHYSICS
Velocity is defined as the rate of chang...

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

Text Solution

Verified by Experts

Average velocity=0 Average speed`(2v_1v_2)/(v_1+v_2)=(2xx60xx90)/(60+90)=72kmh^-1`
Promotional Banner

Similar Questions

Explore conceptually related problems

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 car covers first half of the distance between two places at a speed of 40 km//h and the second half at 60 km//h . Calculate the average speed of the car.

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?