A 400-Kg Mass and a 9

question 76

Multiple Choice

A 4.00-kg mass and a 9.00-kg mass are being held at rest against a compressed spring on a frictionless surface. When the masses are released, the 4.00-kg mass moves to the east with a speed of 2.00 m/s. What is the velocity of the 9.00-kg mass after the masses are released?

• A)2.00 m/s west
• B)0.888 m/s west
• C)0.500 m/s east
• D)4.50 m/s west
• E)0.500 m/s west

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Definitions:

Beijing

The capital city of China, known for its rich history and significant cultural landmarks like the Forbidden City and the Great Wall.

Chicago

A city in the United States known for its significant contributions to architecture, music, and culture.

Theory Of Mind

A system of beliefs about the way one’s own mind and the minds of others work, and of how individuals are affected by their beliefs and feelings.

Beliefs

The convictions or acceptances that something is true or exists, often without empirical evidence.