If a spring of spring constant k stretched by a length x under tension T, the energy

If A Spring Of Spring Constant K Stretched By A Physics QuestionIf A Spring Of Spring Constant K Stretched By A Physics Question

If a spring of spring constant k stretched by a length x under tension T, the energy stored is

Options

(a) 2k/T²
(b) 2T²/k
(c) T²/2k
(d) 2T/k²

Correct Answer:

T²/2k

Explanation:

Energy stored in the spring, U = (1/2).kx²
Since T = kx, .·. U = (1/2) k (T/k)² = T²/2k.

AddThis Website Tools
OA2006
admin:

Related Questions

  1. A particle under the action of a constant force moves from rest upto 20 seconds
  2. Two cities are 150 km apart. Electric power is sent from one city to another city
  3. In intrinsic semiconductor at room temperature number of electrons and holes are
  4. A ball is dropped into a well in which the water level is at a depth h below the top
  5. A stone of mass 1 kg tied to a light inexensible string of length L=10/3 is whirling