Answer:
1.
2.
3.
Explanation:
Use conservation of momentum:
1.
The expression for the magnitude of the BB's velocity is
v2i = 0 m/s, solve for v1f
2.
Now replacing numeric to find the value
3.
Now is doesn't exist the box the velocity will be
v1f = v2f = vf
Conservation of Momentum
Ok then what’s your question?i will help u if u want
^they’re correct! it is weathering, i just took a test with that answer:)