M2 - Unit 7 Flashcards
1
Q
What is the equation for the co-efficient of restitution (e)?
A
e = v2 - v1 / u1 - u2
2
Q
How to find the impulse of an object?
A
Momentum after - Momentum before.
vm - um
3
Q
What is the co-ef of restitution always between?
A
0 - inelastic.
1 - perfectly elastic.
4
Q
How to find the change in kinetic energy of two objects of the same mass?
A
mu^2 - me^2u^2
