A rock is falling from the top of a cliff. Which of the following statements is true? O a. Speed of the rock decreases and its acceleration remains constant O b. Speed of the rock increases and its acceleration remains constant O c. Speed of the rock remains constant and its acceleration increases O d. Speed and acceleration of the rock remains constant

Glencoe Physics: Principles and Problems, Student Edition
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Author:Paul W. Zitzewitz
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Chapter3: Accelerated Motion
Section: Chapter Questions
Problem 85A
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A rock is falling from the top of a cliff. Which of the following statements is true?
a. Speed of the rock decreases and its acceleration remains constant
O b. Speed of the rock increases and its acceleration remains constant
Oc. Speed of the rock remains constant and its acceleration increases
O d. Speed and acceleration of the rock remains constant
Transcribed Image Text:A rock is falling from the top of a cliff. Which of the following statements is true? a. Speed of the rock decreases and its acceleration remains constant O b. Speed of the rock increases and its acceleration remains constant Oc. Speed of the rock remains constant and its acceleration increases O d. Speed and acceleration of the rock remains constant
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