/26 Assignment 4 Unit A Module 2, Lesson 3: Solving Projectile Problems Lesson 3 of this assignment is worth 11 marks. The value of each question is noted in the left margin in parentheses. 1. The Calgary Tower is 191 m tall. How long would it take a feather to drop to the ground from the top of the building (assume no air resistance)? Show all work. 2. A soccer ball is kicked horizontally off a 15.0 m tall roof with a velocity of 75.5 km/h. Assume no air resistance. a) How long is the ball in the air? Show all work. b) What is the distance from where the ball lands to the bottom of the building? Show all work. 3. A bullet is shot horizontally off the top of a 35.0 m tall vertical cliff. If it lands 1.10 km away, at what speed was the bullet fired? Show all work. 4. A ball rolls off a roof with a horizontal velocity of 1.75 m/s. The ball lands 3.50 m from the edge of the building. How tall is the building? Show all work