Question

What is the momentum of a 100 kilogram boulder rolling south down a hill at a velocity of 5 meters per second?

Answer 1

`500kgms^-1`

Explanation:

Momentum (`p`) = Mass (`m`) `xx` Volume (`V`)
`p=mxxV`
Mass = `100kg`
Velocity = `5ms^-1`
So:
`p=100kgxx5ms^-1`
`p=500kgms^-1`