A stone is thrown with an initial speed of 10.1 m/s at an angle of 58° above the horizontal from the top of a 31 m building.If g = 9.8 m/s2 and air resistance is negligible,then what is the magnitude of the horizontal component of velocity as the rock strikes the ground?
A) 26 m/s
B) 5 m/s
C) 16 m/s
D) 5 m/s.
E) 13 m/s
Correct Answer:
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