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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