Question 1 V.(m/s) F. (N) - 1 (9) -3 A 0.220 kg birdie is being hit between two badminton players. The graphs show the birdie's velocity and the force exerted on the birdie by the badminton racket. If the birdie is in contact with the racket for At = 5.80 ms. what is the maximum force exerted on the birdie? O 114N O 75.9 N O 455 N O 228 N Question 2 A 4.40 kg bird is flying past a tree that has a 3.80 kg chipmunk in it. The chipmunk decides to jump on the bird so he can fly too. As the bird is flying past the tree, the chipmunk leaps off at 9.00 m/'s in the same direction the bird is flying and lands on the bird. Immediately after the collision, the bird and chipmunk together have a speed of 16.7 m/s. What was the initial speed of the bird? 0 7.77 m/s O 31.1 m/s O 12.5 m/s O 23.3 m/s Question 3 A 65.0 kg person is riding a bike on a level horizontal street. Together, the bike and person have a mass of 72.3 kg and a speed of 5.20 m/s. The person jumps off the bike, and just after the jump has a speed of 0.320 m/'s in the same direction they were moving. What is the speed of the bike after the person jumped off? O 48.7 m/s O 9.59 m/s O 5.49 m/s O 2.59 m/s