Home
Class 12
PHYSICS
A block of weight W produces an extensio...

A block of weight `W` produces an extension of `9cm` when it is hung by an elastic spring of length of `60cm` and is in equilibrium. The spring is cut into two parts, one of length `40cm` and the other of length `20cm`. The same load `W` hangs in equilibrium supported by both parts as shwon in figure. The extension in `cm` noe is

Promotional Banner

Similar Questions

Explore conceptually related problems

Two thin lenses, one of focal length + 60 cm and the other of focal length – 20 cm are put in contact. The combined focal length is

A load suspended by a massless spring produces an extention of xcm in equilibrium.When it is cut into two unequal parts ,the same load produces an extention of 7.5cm when suspended by the larger part of length 60cm .When it is suspended by the smaller part,the extention is 0.5cm.Then

Altitude on the hypotenuse of a right angled triangle triangle divides it in two parts of lengths 4 cm and 9 cm. Find the length of the altitude.

A load attached to the end of a spring and in equilibrium produces 9 cm extension of spring. If the spring is cut into three equal parts and one end of reach is fixed at 'O' and other ends are attached to the same load, the tension in cm of the combination in equilibrium now is :

When a 20 g mass hangs attached to one end of a light spring of length 10 cm, the spring stretches by 2 cm. The mass is pulled down until the total length of the spring is 14 cm. The elastic energy, (in Joule) stored in the spring is :

A rope of length 60 cm is cut into two pieces. One piece is used to form a rectangle of length 12 cm and width 6 cm. The other piece is bent into a regular hexagon. What is the length of each side of the hexagon ?

You are given a wire of length 100 cm and linear resistance of 1 ohm/cm. if it is cut into two parts, so that when they are in parallel, the effective resistance is 24 ohm. The lengths of the two parts are