A bullet hits gets embedded in a solid block resting on a frictionless surface. In this process which one of the following is correct?
Embedded refers to something that is firmly and securely placed within or integrated into another object or environment. In various contexts, such as technology, an embedded system denotes hardware and software designed to perform specific tasks within larger systems. For example, microcontrollers in appliances like washing machines or embedded software in vehicles enhance functionality and efficiency. The concept of being embedded also applies to various fields, including engineering, computing, and social sciences, highlighting interconnectedness and integration.
Class 11 Physics covers Chapter 5, focusing on Work, Energy and Power. This chapter explores the concepts of work done by forces, different forms of energy, including kinetic and potential energy, and the principle of conservation of energy. Students learn to calculate work, analyze energy transformations and understand the relationship between work, energy, and power, which is essential for grasping fundamental physics principles.
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When a bullet strikes and penetrates into a solid block placed on a frictionless surface, the process it goes through will be that which emphasizes important principles of conservation of momentum and energy. Here, the system is the bullet and the block, assumed to be isolated from all external forces acting in the horizontal direction. Therefore, the total momentum of the system at the beginning is equal to the total momentum of the system after the collision; thus, the momentum is conserved.
However, it is significant to note that kinetic energy is not conserved in this process. The collision between the bullet and the block is an example of an inelastic collision, in which the two objects stick together after impact. During this interaction, part of the bullet’s kinetic energy is transformed into other forms of energy such as heat and sound. Because of this, whereas the system’s momentum remains invariant during the collision, the kinetic energy is reduced.
In summary, when the bullet is embedded in the block, only momentum is conserved, while kinetic energy is lost in the process. This illustrates the fundamental differences between momentum and kinetic energy conservation in collision events.
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