Keangnam+Hanoi+Landmark+Tower-+Malone



Keangnam Hanoi Landmark Tower is a skyscraper under construction in Pham Hung Boulevard,Cau Giay district, Hanoi, Vietnam. The investment capital for this complex is estimated $1.05 billion USD. According to the master plan, the complex features a 5-star hotel, offices, entertainment areas, retail spaces, clinics and convention centers. As of November 2010, the tower has reached approximately 300 meters, becoming the tallest structure in Vietnam. On January 24, 2011, the main tower topped out, reached the height of 336 meters, it became the tallest building in Vietnam. Keangnam Hanoi Landmark Tower is located on an area of 46,000m^2 and the total floor area is 579,000m^2, ranking 5th for the floor area of a single building in the world.

Problem #1 A Vietnamese businessman had a huge presentation on the top floor of the landmark tower. While trying to get some fresh air by opening up the window, he tripped and fell, letting go of his suitcase out a window. If the building is 1,102ft high, how long will it take the suitcase to reach the ground

Problem #2 A stuntman just purchased the most powerful human cannon in the world. He is performing a stunt where he plans to launch himself onto the top of the landmark tower. If the cannon shoots him at 150 ft/second, how long will it take him to reach the roof of the 1,102ft building.