ou decide to play a trick on your friend using a giant water balloon as shown in the figure attached below. The balloon is dropped (no initial velocity) from a height of 42.79 meters. At the exact moment, you drop the balloon your friend throws a rock straight up to strike and burst the balloon before it lands. We will take the rock to be thrown with an initial velocity of 108 km/hr from an initial height of zero. Convert the rock's initial velocity into proper units. v0(rock) = ? meters/second Write an equation for the y of the balloon at any time. yballoon(t) = Write an equation for the y of the rock at any time. yrock(t) = Determine the time at which the rock and balloon collide. tcollision = ? seconds. NOTE: The equations you input should have all numbers, except for the letter t. Examples of correct format (but not the right answers):

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