A cart of inertia m1
and velocity v⃗
collides elastically with a cart of inertia m2
initially moving at velocity −0.5v⃗
.
Part A
Part complete
What is the speed of the first cart after the collision?
Express your answer in terms of the variables m1
, m2
, and v⃗
. Use the 'vec' button to denote vectors in your answers.