A vibrant cartoon with colours and smooth animation. Create a soft, adorable, cozy animated story that explains **elastic collision in one dimension**. Do NOT use a classroom, school, blackboard, desks, uniforms, or a formal teacher. Use two extremely adorable little cartoon characters as the main characters. They should have soft rounded designs, tiny expressive faces, squishy movements, cute outfits, and goofy personalities. Make them feel like lovable little animated friends. Set the story in a dreamy, cozy outdoor setting with soft pastel colors, fluffy clouds, tiny flowers, gentle sunlight, and a warm peaceful atmosphere. The two characters are playing with two tiny toy carts on a straight path. One character accidentally sends their cart rolling toward the other character's cart. They bump into each other with a cute, funny little "boop!" and bounce apart. Use their interaction to naturally explain **elastic collision in 1D**. Explain in VERY simple language, as if explaining to a 7-year-old, but keep the Class 11 Physics concepts completely correct. Explain: What a collision is What "one-dimensional" means What happens before and after the collision Conservation of momentum Conservation of kinetic energy Why an elastic collision is different from an inelastic collision What the important equations mean Explain every symbol in the equations in simple words Show the physics visually instead of giving long blocks of text. Use cute arrows, tiny floating symbols, bouncing objects, little sparkles, and simple visual demonstrations. The characters should react dramatically and adorably to the collision: surprised faces, tiny confused expressions, giggling, and goofy movements. Make the narration warm, gentle, playful, and easy to follow. The characters should feel like they are learning together rather than being taught in a classroom. Aesthetic: soft pastel, cozy, dreamy, cute, whimsical, gentle animation, rounded characters, expressive faces, subtle sparkles, warm lighting, adorable children's animation. IMPORTANT: Keep the Physics accurate. Do not oversimplify the definitions incorrectly. The video should feel like a cute animated mini-story that secretly teaches Class 11 Physics. Two short, adorable cartoon friends in oversized Western streetwear. **Guy:** badass, fluffy hair, oversized black leather jacket, baggy jeans, chunky sneakers, silver accessories, cool but goofy. **Aurora:** softie, fluffy hair, oversized cozy sweater, baggy jeans, chunky sneakers, cute accessories, sweet and slightly clumsy. Soft pastel aesthetic, expressive faces, tiny proportions, fashionable, cozy, adorable. Showing soo much emotions