Two Objects,one of Mass M₁ = 2 Kg and the Second

question 1

Multiple Choice

Two objects,one of mass m₁ = 2 kg and the second of unknown mass,are connected by a compressed spring with negligible mass.The system is at rest on a frictionless table.Both objects are released simultaneously.m₁ is observed to recoil with velocity v₁ = 2 m/s ,and m₂ shots forward with velocity v₂ = 4 m/s .What is the mass of m₂?

• A)0.5 kg
• B)1 kg
• C)2 kg
• D)4 kg
• E)cannot be determined

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Definitions:

Pubococcygeus

A muscle of the pelvic floor that stretches from the pubic bone to the coccyx, playing a role in urinary control and sexual function.

Coccygeus

A small muscle located in the pelvic area, contributing to the pelvic floor structure and assisting in supporting pelvic organs.

Mastoid Process

A bony protrusion located behind the ear on the skull that contains air cells and contributes to the middle ear structure.

Longissimus Capitis

A muscle in the back of the neck and upper thoracic region that extends, bends, and rotates the head.