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A Stone Is Thrown with an Initial Speed of 15 °\degree

Question 44

Multiple Choice

A stone is thrown with an initial speed of 15 m/s at an angle of 53 °\degree above the horizontal from the top of a 35 m building.If g = 9.8 m/s2 and air resistance is negligible,then what is the speed of the rock as it hits the ground?


A) 15 m/s
B) 21 m/s
C) 30 m/s
D) 36 m/s

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