Two Particles, a and B, Are in Uniform Circular Motion

question 35

Multiple Choice

Two particles, A and B, are in uniform circular motion about a common center. The acceleration of particle A is 8.5 times that of particle B. The period of particle B is 2.0 times the period of particle A. The ratio of the radius of the motion of particle A to that of particle B is closest to

• A) rA/rB = 2.1.
• B) rA/rB = 4.3.
• C) rA/rB = 18.
• D) rA/rB = 0.24.
• E) rA/rB = 17.

---

Definitions:

Milliliters

A unit of volume in the metric system, equal to one-thousandth of a liter.

Liter

A metric unit of volume equal to 1,000 cubic centimeters or approximately 0.26 gallons.

Ounce

A unit of weight in the U.S. customary and British imperial systems, equal to 1/16 of a pound.

Milligrams

A metric unit of mass equal to one thousandth of a gram, commonly used to measure small quantities of substances.