2. Dos esferas de iguales masas chocan. Si una de ellas está en reposo y la otra posee una velocidad de 8 m/s antes del choque, calcular las velocidades que tendrán después del choque si este es perfectamente elástico.

Question

13-08-2024
Physics

Answered

2. Dos esferas de iguales masas chocan. Si una de ellas está en reposo y la otra posee una velocidad de 8 m/s antes del choque, calcular las velocidades que tendrán después del choque si este es perfectamente elástico.

Answer :

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GinnyAnswer GinnyAnswer · Answer 1 · 2024-08-13T20:37:42-04:00

Final answer:

When two objects with equal masses collide elastically, both momentum and kinetic energy are conserved. Object B's velocity after the collision will be 4 m/s to the right.

Explanation:

When two objects with equal masses collide elastically, both momentum and kinetic energy are conserved.

Using the conservation of momentum:
Before collision: momentum = 0 (object A at rest, object B moving). After collision: object A moves left, object B moves right. So, the velocity of object B after the collision will be 4 m/s to the right.

Using the conservation of kinetic energy:
Initially: KE = 0. After collision: object A's KE = 32 J, object B's KE = 32 J. Thus, object B's velocity is 4 m/s to the right.

Learn more about Elastic Collisions of Objects here:

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