A 300 Kg Ball Is Released from Rest and Is Acted

question 58

Multiple Choice

A 30.0 kg ball is released from rest and is acted upon by a net force of -1.40  10¹⁶ r ^-2 (the force pulls the ball towards r = 0) .The ball starts from rest at an initial position of r_i = 6.39  10⁶ m and moves under the influence of the force to a final position of r_f= 6.38  10⁶.What is the speed of the ball when it reaches its final position,r_f?

• A)552 m/s
• B)531 m/s
• C)478 m/s
• D)442 m/s
• E)404 m/s

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Definitions:

Central Tendency

A statistical measure that identifies a single value as representative of an entire distribution, aiming to provide an accurate description of the entire data set.

Least Precise

Describes the measurement or estimation with the highest degree of uncertainty or the lowest level of detail.

Entire Group

Refers to the complete set of individuals or items that are being studied or considered in a research or analysis.

N

Often represents the sample size or total number of observations in a dataset within statistical contexts.