Momentum Flashcards
1
Q
what is the formula for momentum
A
p = mv
2
Q
what does the conservation of momentum say?
A
In the absence of external forces, the total momentum before an event must be the same as the total momentum after said event
3
Q
Is momentum conserved in collisions?
A
yes
4
Q
what happens in an elastic collision?
A
Ek and momentum are conserved
5
Q
what happens in an inelastic collision?
A
momentum is conserved but Ek is not
6
Q
what should you state about momentum in space?
A
weather gravity plays a role
