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

question 38

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 magnitude of the horizontal component of velocity as the rock strikes the ground?

• A)7.5 m/s
• B)9.0 m/s
• C)12 m/s
• D)29 m/s

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