A spring of spring constant k is cut into two equal halves. The spring constant of each half is now

The spring constant of a spring depends on its

Which of the following is a non-contact force ?

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 :

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 body is acted upon by two unequal forces in opposite directions, but not in one line. The effect is that the body will have