A Mass M = 4

question 52

Multiple Choice

A mass m = 4.0 kg is connected,as shown,by a light cord to a mass M = 6.0 kg,which slides on a smooth horizontal surface.The pulley rotates about a frictionless axle and has a radius R = 0.12 m and a moment of inertia I = 0.090 kg.m².The cord does not slip on the pulley.What is the magnitude of the acceleration of m?

• A)2.4 m/s²
• B)2.8 m/s²
• C)3.2 m/s²
• D)4.2 m/s²
• E)1.7 m/s²

---

Definitions:

Antitrust

Laws and regulations designed to promote competition and prevent monopolies in the market.

Organized Recreation

Structured forms of leisure activities that are planned or regulated by organizations or institutions, aimed at providing entertainment or skill development.

Spontaneous

Occurring without apparent external cause; arising naturally and unexpectedly.

Technology

The application of scientific knowledge for practical purposes, especially in industry, including the invention and use of technical means and their interrelation with life, society, and the environment.