Home › CBSE Class 11 (Science) › Physics › Work, Energy and Power › A spring with k = 200 N/m is compressed 0.1 m. E…
A spring with k = 200 N/m is compressed 0.1 m. Energy stored?
A20 J
B1 J
C10 J
D2 J
Answer & Solution
Correct answer: B. 1 J
U = kx^2/2 = 0.5 x 200 x 0.01 = 1 J.
Related questions
Horse-power is still commonly used to describe the output of:The potential energy of a body under a conservative force is always fixed only up to:Power, like work and energy, is what kind of physical quantity?The work-energy theorem holds in which frames of reference?Total mechanical energy of a body stays constant provided the only forces acting on it areAfter which inventor is the SI unit of power named?A motor pulls with a force of 22000 N at a steady 2 m/s. What power does it supply?During an elastic collision, the kinetic energy of the system at each instant of contact i