One end of a spring is fixed to the bottom of an incline plane as shown in the figure below. The force constant of the spring is k 500 N/m. The inclined plane makes an angle 0 = 20° with the horizontal axis. A block with m = 2.5 kg is placed at the top of the plane at a distance d = 0.300 m from the spring. From this position, the block is released towards the spring with an initial speed v 0.750 m/s towards the spring. When the block is momentarily at rest, by how many metres is the spring compressed? Express your answer in units of metres.

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Spring Potential Energy

The potential energy is the energy possessed by a body by virtue of its position or the energy held by the object due to its position relative to other objects, its force like stresses, charge, and other factors affecting the particles of the body. The potential energy is the measure of the net work done by or on the body. The spring potential energy is the potential energy stored due to the deformation of an elastic spring and this elasticity is due to the stretched spring. The elasticity is the ability of a solid-state matter to come back to its equilibrium position or original position after any kind of external force is acted on it. It is also known as Elastic potential energy. The potential energy here is caused due to the displacement of the spring from its equilibrium position to another position and this potential energy is equal to the net work done due to the stretching of the spring. It also resembles the same mechanics of the oscillation of a simple pendulum, where due to the external force, the object moves from its equilibrium position to its maximum ends and the periodic motion continues till it comes back to the equilibrium position to rest.