A Particle with a Charge of 5 *10^-6 C and a Mass

question 31

Multiple Choice

A particle with a charge of 5 *10^-6 C and a mass of 20 g moves uniformly with a speed of 7 m/s in a circular orbit around a stationary particle with a charge of -5 * 10^-6 C.The radius of the orbit is:

• A)0 m
• B)0.23 m
• C)0.62 m
• D)1.6 m
• E)4.4 m

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Definitions:

Binomial Probability Distribution

A probability distribution that summarizes the likelihood that a value will take one of two independent values under a given set of parameters or conditions.

Expected Number

A statistical term referring to the average value or mean of a random variable, calculated as the sum of all possible values each multiplied by its probability of occurrence.

Unbiased Coin

A term used to describe a fair coin in which each toss is equally likely to come up heads or tails.

Speed Limits

Legal restrictions on the maximum speed at which vehicles may travel on a road.