A ball is thrown horizontally at speed v1 from a window which is H above level ground lands a time t1 after it was thrown. If the ball had been thrown horizontally at speed 3v1 from a the same window, how long would the ball have been in the air? (Assume neither ball interacts with anything between being thrown and landing on the ground.) Group of answer choices t1 3t1 sqrt(3t1) 3/2t1 9t1

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Projectile Motion