@ tcdsb.elearningontario.ca R =] [o21] ] Answer the following. 1. Aball is dropped from rest. a. How fast is the ball going after 3 seconds? b. How far has the ball fallen in 3 seconds? 2. Platform diving in the Olympic games takes place at two heights: 5 meters and 10 meters. a. What is the velocity of a diver entering the water from each platform if he steps off the platform initially? b. How much time does it take the diver to reach the water from each platform? 3. A model rocket is launched straight upward at 58.8 m/s. a. How long does it take for the rocket to reach its peak height? @ tcdsb.elearningontario.ca R =] : ] 4. In a class experiment to determine information about free-fall acceleration, a watermelon and a pumpkin are each set to fall from the back of the stands at your football stadium. a. If the watermelon and the pumpkin are both dropped at the same time, which one will hit the ground first? . If the watermelon is thrown downward with an initial speed of 10 m/s and the pumpkin is dropped, which one will hit the ground first? . If it takes the watermelon 1 second to reach the ground when it is thrown downward at 10 m/s, how tall are the stands? . How long does it take the pumpkin to reach the ground if it is dropped from this height? 5. A soccer ball is kicked horizontally off a cliff with an initial speed of 8 m/s and lands 16 m from the base of the cliff. a. What is the time of flight of the soccer ball? b. What is the height of the cliff? @ tcdsb.elearningontario.ca E\\ https://tcdsb... : LTJ A water park is designing a new water slide that finishes with the rider flying horizontally off the bottom of " the slide. The slide is designed to end 1.2 m above the water level, and the average rider is estimated to leave the bottom of the slide at 25 m/s. How far will the rider fly through the air before hitting the water? 7. Amarble rolls horizontally off a table that is 0.8 m tall. If the marble lands 0.6 m from the base of the table, what is the initial velocity of the marble? 8. A stunt car traveling at 20 m/s flies horizontally off a cliff and lands 39.2 m from the base of the cliff. How tall is the cliff