A stone is thrown with an initial speed of 15 m/s at an angle of 53 ° above the horizontal from the top of a 35 m building. If g = 9.8 m/s 2 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.29 m/s d.12 m/s

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