Explanation is in the file
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What it means to say that momentum is conserved is that momentum is the same before and after the collison. Or this is more correct: "In an isolated system (i.e. provided no external force acts), the total momentum of the system remains constant. MV before collision is equal to MV after the collision.
Answer:
The answer is D.
Explanation:
Strong columns supporting the roof.
Answer:
The American Federation of Labour (AFL) sought to increase wages, reduce working hours, and greatly improve upon the working conditions of workers throughout America.
Explanation:
The envisioned to do this by mobilising skilled workers for forming unions with workers in the same trade across the country. they chose to focus their efforts in negotiating with employers for the above mentioned goals rather than industry owners.