Two Helium-Filled Balloons Are Released Simultaneously at Points a and B

question 44

Multiple Choice

Two helium-filled balloons are released simultaneously at points A and B on the x axis in an earth-based reference frame. Which one of the following statements is true for an observer moving in the +x direction?

• A)The observer always sees the balloons released simultaneously.
• B)The observer could see either balloon released first depending on her speed and the distance between A and B.
• C)The observer sees balloon A released before balloon B.
• D)The observer sees balloon B released before balloon A.
• E)The observer cannot determine whether they were released separately or simultaneously.

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Definitions:

T score

A standardized type of z-score that typically has a mean of 50 and a standard deviation of 10, used for comparing individual scores.

Normal Curve

A bell-shaped curve that represents the distribution of many types of data where most occurrences take place in the middle of the distribution.

Standard Deviation

Standard deviation is a measure of the amount of variation or dispersion in a set of values, indicating how much the values in a dataset deviate from the mean.

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