<P> Change in velocity is useful in many cases, such as determining the change in momentum (impulse), where: Δ p = m Δ v (\ displaystyle \ Delta (\ mathbf (p)) = m \ Delta (\ mathbf (v))), where p (\ displaystyle \ mathbf (p)) is momentum and m is mass . </P> <Table> <Tr> <Td> </Td> <Td> This physics - related article is a stub . You can help Wikipedia by expanding it . <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This physics - related article is a stub . You can help Wikipedia by expanding it . <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul>

What does vf and vo mean in physics