Скачать или смотреть Elastic Collision + Spring System | Maximum Compression & KE | Physics Problem JEE

In this video, we solve an advanced physics numerical problem on elastic collision and spring system.
Two blocks connected by a spring collide with a moving third block, and we analyze the maximum compression of the spring and kinetic energy at that instant.

This type of question is very important for competitive exams like JEE, NEET, and other entrance exams.

Que: Two blocks A and B each of mass m, are connected by a massless spring of natural length Land spring constant k. The blocks are initially resting on a smooth horizontal floor with the spring at its natural length, as shown in figure. A third identical block C, also of mass m, moves on the floor with a speed v along the line joining A and B, and collides elastically with A. Then

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(A) the kinetic energy of the A-B system, at maximum compression of the spring, is zero

(B) the kinetic energy of the A-B system, at maximum compression of the spring, is m * v ^ 2 / 4

(C) the maximum compression of the spring is v * sqrt(m / k)

(D) the maximum compression of the spring is v * sqrt(m/(2k))

✅ Concepts covered:
• Elastic Collision
• Conservation of Momentum
• Spring Energy
• Simple Harmonic Motion (SHM basics)

📌 Watch till the end for the complete conceptual explanation.

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