Answer:
<h2>work:</h2>
Activity in which one exerts strength or faculties to do or perform something. A job is an activity that a person engages in regularly to earn a livelihood.
<u>you are welcome!</u>
Answer: Either a change in mass or velocity or both.
Explanation: Since the equation for momentum is p (momentum) = m (mass)* v (velocity), if the mass or velocity (or both) of the object is changed, the momentum will change.
The net force is 12 N to the left.
As we know,

so, let's solve for velocity (v)