2-Two objects with masses m, and m₂ = 2m, are going to collide and bounce elastically in one dimension. Given that the initial speed of m, is 6 m/s and m₂ is initially at rest; what is the velocity of m, after the collision? A) -2 m/s B) -3 m/s C) 2 m/s D) 3 m/s

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**Problem Statement: Elastic Collision in One Dimension**

Two objects with masses \( m_1 \) and \( m_2 = 2m_1 \) are going to collide and bounce elastically in one dimension. Given that the initial speed of \( m_1 \) is 6 m/s and \( m_2 \) is initially at rest, what is the velocity of \( m_1 \) after the collision?

**Options:**

A) \(-2 \, \text{m/s}\)

B) \(-3 \, \text{m/s}\)

C) \(2 \, \text{m/s}\)

D) \(3 \, \text{m/s}\)

**Analysis:**  
In elastic collisions, both momentum and kinetic energy are conserved. Here, you would apply the conservation laws to determine the post-collision velocity of \( m_1 \).

There are no graphs or diagrams associated with this problem.
Transcribed Image Text:**Problem Statement: Elastic Collision in One Dimension** Two objects with masses \( m_1 \) and \( m_2 = 2m_1 \) are going to collide and bounce elastically in one dimension. Given that the initial speed of \( m_1 \) is 6 m/s and \( m_2 \) is initially at rest, what is the velocity of \( m_1 \) after the collision? **Options:** A) \(-2 \, \text{m/s}\) B) \(-3 \, \text{m/s}\) C) \(2 \, \text{m/s}\) D) \(3 \, \text{m/s}\) **Analysis:** In elastic collisions, both momentum and kinetic energy are conserved. Here, you would apply the conservation laws to determine the post-collision velocity of \( m_1 \). There are no graphs or diagrams associated with this problem.
Expert Solution
Step 1: Conservation of momentum and kinetic energy

In an elastic collision between two objects with masses m subscript 1 and m subscript 2, and initial velocities u subscript 1 and u subscript 2 respectively, and final velocities v subscript 1 and v subscript 2 respectively.

The conservation of momentum states:

m subscript 1 u subscript 1 plus m subscript 2 u subscript 2 equals m subscript 1 v subscript 1 plus m subscript 2 v subscript 2

The conservation of kinetic energy in an elastic collision states:

1 half m subscript 1 u subscript 1 superscript 2 plus 1 half m subscript 2 u subscript 2 superscript 2 equals 1 half m subscript 1 v subscript 1 superscript 2 plus 1 half m subscript 2 v subscript 2 superscript 2

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