Mei Li:
In Physics, momentum is the product of mass and which other quantity??
Shuai Zheng:
velocity
Mei Li:
Which study in magic and religion by James George Frazer took its name from an incident in 'The Aeneid'??
Shuai Zheng:
golden bough
Mei Li:
What was the old silver coin worth 4 pennies??
Shuai Zheng:
groat