A Stone Is Thrown with an Initial Speed of 11

question 16

Multiple Choice

A stone is thrown with an initial speed of 11.5 m/s at an angle of 50.0 above the horizontal from the top of a 30.0-m-tall building. Assume air resistance is negligible, and g = 9.8 m/s2.
-What is the magnitude of the vertical-velocity component of the rock as it hits the ground?

• A)8.81 m/s
• B)7.39 m/s
• C)25.8 m/s
• D)19.3 m/s

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