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 speed of the rock as it hits the ground?
A) 11.5 m/s
B) 26.8 m/s
C) 24.5 m/s
D) 16.2 m/s
Correct Answer:

Verified
Correct Answer:
Verified
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