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A projectile is thrown horizontally from the top of a building with an initial velocity v_i=15 m/s. If the top of the building is 30m above the ground, then the speed of the projectile just before it strikes the ground is equal to: Vi 30 m v =? 23.4 m/s O 38.7 m/s 31.6 m/s O 18.6 m/s O 28.7 m/s

A projectile is thrown horizontally from the top of a building with an initial velocity v_i=15 m/s. If the top of the building is 30m above the ground, then the speed of the projectile just before it strikes the ground is equal to: Vi 30 m v =? 23.4 m/s O 38.7 m/s 31.6 m/s O 18.6 m/s O 28.7 m/s

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A projectile is thrown horizontally from the top of a building with an initial velocity v_i=15 m/s. If the top of the building is 30 m above the ground, then the speed of the projectile just before it strikes the ground is equal to: Vi 30 m v =? O 23.4 m/s 38.7 m/s 31.6 m/s O 18.6 m/s O 28.7 m/s
Transcribed Image Text:A projectile is thrown horizontally from the top of a building with an initial velocity v_i=15 m/s. If the top of the building is 30 m above the ground, then the speed of the projectile just before it strikes the ground is equal to: Vi 30 m v =? O 23.4 m/s 38.7 m/s 31.6 m/s O 18.6 m/s O 28.7 m/s
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