In an elastic collision, the total kinetic energy of the system is conserved. This means that the sum of the kinetic energies of the objects before the collision is equal to the sum of the kinetic energies after the collision. The energy balance in an elastic collision ensures that no energy is lost or gained during the collision, and the total energy of the system remains constant. This conservation of energy allows for the calculation of the final velocities of the objects involved in the collision. **

Kinetic energy is the energy an object possesses due to its motion. Potential energy is the energy stored in an object based on its position or state, such as gravitational potential energy or chemical potential energy. Elastic energy is a type of potential energy stored in objects that can be stretched or compressed, such as a spring or a rubber band. When these objects are stretched or compressed, they store elastic potential energy that can be released when they return to their original shape. **

Deformable elastic bodies do not always have chemical energy. The presence of chemical energy in a deformable elastic body depends on the specific material and its composition. For example, rubber, a common deformable elastic material, does not have chemical energy stored within it. However, certain materials like certain polymers or composites may have chemical energy stored within their structure, such as in the form of potential energy from chemical bonds. Therefore, the presence of chemical energy in a deformable elastic body is dependent on the specific material and its composition. **

The strong emotions in "Elastic Heart" by Sia are caused by the raw and vulnerable lyrics that explore the complexities of relationships and personal struggles. The song delves into themes of resilience, strength, and the internal battle of overcoming obstacles. The powerful vocals and intense instrumentals also contribute to the emotional impact of the song, creating a sense of urgency and passion. Overall, the combination of the lyrics, vocals, and instrumentals in "Elastic Heart" evokes strong emotions in listeners. **

No, viscose is not elastic. Viscose is a type of rayon fabric made from natural fibers such as wood pulp. It is known for its soft and smooth texture, but it does not have the stretch or elasticity that is characteristic of elastic materials like spandex or elastane. Viscose can drape well and has good moisture-wicking properties, but it does not have the ability to stretch and bounce back like elastic fabrics do. **

There are strong emotions about Sia's Elastic Heart because of the controversial interpretation of the music video. Some people found the video featuring Shia LaBeouf and Maddie Ziegler to be inappropriate due to the perceived age difference between the two actors and the physical nature of their performance. Others defended the video, arguing that it was a powerful representation of emotional struggle and resilience. The debate sparked discussions about consent, boundaries, and the portrayal of sensitive topics in art and media, leading to a wide range of emotional reactions. **

Energy conservation can be used in an elastic collision because in an elastic collision, kinetic energy is conserved. This means that the total kinetic energy of the system before the collision is equal to the total kinetic energy of the system after the collision. By applying the principle of energy conservation, we can analyze the motion of the objects involved in the collision and determine their velocities before and after the collision. This allows us to understand how the kinetic energy is transferred between the objects during the collision. **

Elastomers are actually elastic because of their unique molecular structure. They are made up of long, coiled polymer chains that can be stretched and then return to their original shape when the force is removed. This is due to the entropic elasticity of the polymer chains, which allows them to easily slide past each other and then spring back into place. Additionally, the presence of cross-links between the polymer chains provides additional strength and resilience, allowing elastomers to maintain their elasticity over many cycles of stretching and relaxing. **