Answer Happy

pe 1 1. A rock is thrown horizontally from the top of a cliff 98 m high, with a horizontal speed of 27 m/s. a. For what interval of time is the rock in the air? b. How far from the base of the cliff does the rock land? c. With what velocity does the rock hit? 2. A rescue pilot wishes to drop a package of emergency supplies so that it lands as close as possible to a target. If the plane travels with a velocity of 81 m/s and is flying 125 m above the target, how far away (horizontally) from the target must the rescue pilot drop the package? 3. A bullet is fired with a horizontal velocity of 330 m/s from a height of 1.6 m above ground. Assuming the ground is level how far from the gun will the bullet hit the ground? 4. A fireman is standing on top of a building 20.0 m high. He finds that if he holds the hose so that water issues from it horizontally at 12 m/s, the water will hit a burning wall of an adjacent building at a height of 15.0 m above the ground. What is the horizontal distance from the fireman to the building? a