Two Identical Balls Are at Rest and Side by Side

question 54

Multiple Choice

Two identical balls are at rest and side by side at the top of a hill. You let one ball, A, start rolling down the hill. A little later you start the second ball, B, down the hill by giving it a shove. The second ball rolls down the hill along a line parallel to the path of the first ball and passes it. At the instant ball B passes ball A:

• A) it has the same position and the same velocity as A.
• B) it has the same position and the same acceleration as A.
• C) it has the same velocity and the same acceleration as A.
• D) it has the same displacement and the same velocity as A.
• E) it has the same position, displacement and velocity as A.

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Definitions:

Railroad Workers

Individuals engaged in the operation, maintenance, or service of trains and railway infrastructure.

Apprenticeship Standards

Established criteria and practices for apprenticeship programs, ensuring quality training and fair treatment for apprentices in various trades.

Union Member Tasks

Activities and responsibilities undertaken by members of a labor union, including participation in meetings, voting on agreements, and supporting union initiatives.

Industrial Unionism

A labor movement strategy where workers from all occupations within a single industry join together in a single union to negotiate collectively.