Two Objects, One Having Three Times the Mass of the Other

question 53

Multiple Choice

Two objects, one having three times the mass of the other, are dropped from the same height in a vacuum.At the end of their fall, their velocities are equal because:

• A)anything falling in vacuum has constant velocity
• B)all objects reach the same terminal velocity
• C)the acceleration of the larger object is three times greater than that of the smaller object
• D)the force of gravity is the same for both objects
• E)none of the above

Distinguish between sample size and population size.

Identify and calculate the mean value in a set of scores.

Understand the effects of new data points on mean value.

Interpret percentile points and their significance in data distribution.

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