.1 1 1 1 2 . 1 : 3 . 1 1 4 . 1 10 . 1 . 11 . 1 . 12 1 . 13 . 1 . 14 1 . 15 . 1 . 16 . ( . 17 1 18 1. A 1.27 kg toy cannon is loaded with a 54 gram tennis ball and placed on the floor. If the cannon recoils with a speed of 7.8 m/s, what is the speed of the ball? 2. An 82 kg male and a 48 kg female pair figure skating team are gliding across the ice at 7.4 m/s, I preparing for a throw-jump maneuver. The male skater tosses the female skater forward with a speed of 8.6 m/s. Determine the speed of the male skater immediately after the throw. 3. A candy-filled pinata is hung from a tree for Matthew's birthday. During an unsuccessful attempt to break the 4.4 kg pinata, Hayden cracks it with a 0.54 kg stick moving at 4.8 m/s. The stick stops and the pinata undergoes a gentle swinging motion. Determine the swing speed of the pinata immediately after being cracked by the stick. 4. A 1000 kg car is rolling down the street at 2.5 m/s. How fast would a 2500 kg car have to collide into it in order to bring it to rest (0 m/s)? 5. A football player runs at 8 m/s and plows into a 80 kg referee standing on the field causing the referee to fly forward at 5.0 m/s. If this were a perfectly elastic collision, what would the mass of football player be