A 050-Kg Object Moves in a Horizontal Circular Track with a a Radius

question 12

Multiple Choice

A 0.50-kg object moves in a horizontal circular track with a radius of 2.5 m. An external force of 3.0 N, always tangent to the track, causes the object to speed up as it goes around. If it starts from rest its speed at the end of one revolution is:

• A) 9.8 m/s
• B) 14 m/s
• C) 15 m/s
• D) 19 m/s
• E) 21 m/s

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Definitions:

Through

Moving in one side and out of the other side of (an opening, channel, or location), indicating motion from one end or side to the other.

Between

Referring to a position or space that separates two points, objects, or entities.

Complete

Having all the necessary or appropriate parts; fully carried out; thorough.

Decompensation

A failure of the body's compensatory mechanisms to maintain functional stability, leading to worsening symptoms or the development of disease states.