The pony express.
Delta represents a change. Therefore, "delta x" means "change in x."
The slope of a graph.
It represents the rate of change in v per unit change in u.
The standard form equation of a line is y=mx+b. M represents the slope; slope is the change in x over the change in y. B represents the y-intercept.
Velocity change vs Time
this answer is dumb
this answer is dumb
it made a quicker way to travel up and down then an elevator and was safer if you got stuck
In the 19th century, the invention of the Gutenberg printing press revolutionized the newspaper industry. Papers could be printed faster and therefore people got the news a little faster.
the invention the could change the world would be the teleporter
The most dramatic change in agriculture in the South was the invention of the cotton gin.
Robert Fulton famously said, "I have always been a dreamer; I have always believed that the steamboat would change the world." He believed that his invention would revolutionize transportation and trade by enabling faster and more efficient movement of goods and people along rivers and waterways. Fulton's work demonstrated the potential of steam power and laid the foundation for advancements in maritime technology. His vision transformed the landscape of transportation in the early 19th century.
the Bessemer process
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The invention of the Firearm
The discovery (not invention) of polonium and radium didn't changed the history.
It change in faster transportation