A Rock Is Thrown Straight Down with an Initial Velocity

question 63

Multiple Choice

A rock is thrown straight down with an initial velocity of 14.5 m/s from a cliff.What is the rock's displacement after 2.0 s? (Acceleration due to gravity is 9.80 m/s². )

• A)28 m
• B)49 m
• C)55 m
• D)64 m

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