1. A 94 g hamster scurries across the floor with a speed of 2.3 m/s. a) What is the hamster's momentum? a) The hamster sees a cat and increases its momentum to 0.28 kg-m/s. 2 marks b) How fast is the hamster going now? b) 2 marks c) What impulse did the hamster use to increase its speed? C ) . 2 marks 2. An unbalanced force of 25 N acts for 5.0 s on a stationary object of mass 0.150 kg. a) What impulse is delivered to the object? 2 marks b) What speed does the object obtain at the end of the 5 seconds? b) 2 marks Page 2 of 13