 
 <prompt> ```Answer this:
Which of the following has the least momentum?
OPT:
 -a 0.5 kg mass with a 1000 m/s velocity
 -a 1 kg mass with a 100 m/s velocity
 -a 10 kg mass with an 11 m/s velocity
 -a 100 kg mass with a 2 m/s velocity``` <response>: ```a 1 kg mass with a 100 m/s velocity``` 