1. Which of the following quantity-unit is INCORRECTLY matched? a. Distance-meter b. time-meter/sec c. velocity-km/hr d. acceleration-m/sec? 2. A 30 kg girl is riding on a 5 kg bicycle with a velocity of 6 m/s going west. what is the total momentum of a girl and the bike together? a. 100 kg-m/s b. 180kg-m/s c. 200kg-m/s d. 210kg-m/s (True or False) 3. Is it true that a 2 kg ball rolling at a velocity of 5 m/s has a momentum of 10 kg-m/s.

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