Spring Constant and Stored Energy

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• System of springs: Energy stored in different springs

  energy stored in a spring is given by Here k is the spring constant and l is the extension (or compression) in the spring.

• Conservation of Mechanical Energy

  Initially the mass had Potential Energy (PE) due to it's elevation. At the end of the motion, all this PE is converted into stored energy in the spring.

• Workign with a compressed spring - Toy Gun

  Neglecting all resistive forces, determine the spring constant." If you compress a spring to some extent, the work done by your body will be stored in the spring as the potential energy of the spring.

• Finding the Potential Energy and Magnitude of Force

  When a mass is attached to the end of the spring and allowed to come to rest, the vertical length of the spring is 3.69 m. Calculate the elastic potential energy stored in the spring.

• What is the speed of the block just before it hits the spring?

  in a spring is equal to: E_spring = 0.5kx^2 where k is the spring constant and x is the amount of compression.

• Spring constant problem: Work done, speed of block, maximum compression

  Not only does it tell you how much work the spring did on the box; it also tells you how much energy is stored in the spring! This is potential energy; the energy stored in an object due to its position.

• Working with energy conservation

  Potential energy stored in the spring gets converted to the kinetic energy of the projectile at first and when the projectile reaches the highest point, the initial potential energy in the spring is the same as the potential energy of the prijectile.

• Work and Force

  c) What is the potential energy stored in the spring?

• Ball launched using a compressed spring - maximum height

  The energy stored in the spring is given by E = (1/2) K x^2 where K is the spring constant and x is the compression Here the energy stored = (1/2) * 900 * 0.15 * 0.15 E = 10.1 Newton This will get converted to the kinetic energy of the