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16) A 0.5 kg rock is kicked horizontally with a speed of 8.0 m/s off the edge of a cliff that is 80.0 m tall.
16) A 0.5 kg rock is kicked horizontally with a speed of 8.0 m/s off the edge of a cliff that is 80.0 m tall. Neglecting air resistance, which of the following is correct? (A) The rock is airborne for 2.0 seconds, its final horizontal speed is 8.0. m/s and its final vertical speed is 40. m/s. (B) The rock is airborne for 4.0 seconds, its final horizontal speed is 40. m/s and its final vertical speed is 8.0 m/s. (C) The rock is airborne for 16. seconds, its final horizontal speed is 0.0 m/s and its final vertical speed is 8.0 m/s. (D) The rock is airborne for 16. seconds, its final horizontal speed is 8.0 m/s and its final vertical speed is 0.0 m/s. (E) The rock is airborne for 4.0 seconds, its final horizontal speed is 8.0 m/s and its final vertical speed is 40. m/s
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