Solve the Problem
-A Ball on the End of a String

question 127

Multiple Choice

Solve the problem
-A ball on the end of a string is spinning around a circle with a radius of 5 centimeters. If in 15 seconds a central angle of $\frac { 1 } { 5 }$ radian has been covered, what is the angular speed of the ball?

• A) 3 radians per sec
• B) \(\frac { 1 } { 3 }\) radians per sec
• C) 75 radians per sec
• D) \(\frac { 1 } { 75 }\) radian per sec

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Definitions:

Sympathetic Division

Part of the autonomic nervous system that prepares the body for quick action in emergencies; "fight or flight" response.

Parasympathetic Division

Part of the autonomic nervous system responsible for conserving energy and bringing the body to a state of rest by slowing the heart rate, increasing intestinal and glandular activity, and relaxing sphincter muscles.

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, which interprets sensory information and issues instructions based on past experience and current conditions.

Peripheral Nervous System

The peripheral nervous system is the part of the nervous system that consists of the nerves and ganglia outside of the brain and spinal cord, which connect the central nervous system to limbs and organs.