In what situation would an solid state drive be more cost efficient then a hard disk drive?
An SSD or solid state drive would be more effectively used when the end user needs an application or operating system to boot up as fast as possible, while for mass storage a hard disk will provide more storage for its cost.
What does Newtons second law state?
If an object with a certain mass is undergoing acceleration, then it is being acted upon by a force.
What effect did the development of the railroad have on the United States
The railroad enabled rapid transit of large quantities of goods across long distances, enabling the north to capitalize on their rapid industrialization. The railroads also saw extensive use during the civil war, with the north's more established rail network allowing rapid transport of both troops and supplies.