The meter that is used to measure the distance moved by the vehicle is known as

A car travels a total distance L. It travels half the distance with speed v1​ and the other half with speed v2​. The average speed of the car is:

A particle is found to be at rest when observed from a reference frame S1 and the same particle is found to move with a constant velocity when observed from another frame S2. Which of the following s…

When a stone tied to a string is whirled in a circle, the work done on it by the string:

A bus covers the first half of a certain distance with speed v₁ and the second half with a speed v₂. The average speed during the whole journey is :

The linear momentum of a particle is conserved if: