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Answer:
The area under a velocity-time graph is the displacement. Velocity can be negative if an object is moving backwards. The displacement can also be negative. An area beneath the x-axis has a negative value.
1km=1000m=1000000mm
118km/h=118000000 mm/h
Answer:
The customary system is the system of measurement that is primarily used in the U.S. units in this system include the inch, foot, mile, pound, and also the cup.
The metric system is the system of measurement primarily used in science and in countries outside of the U.S. Units in this system include the meter, liter, and also gram.
Explanation:
I hope this works. :DD
I prefer using Customary system because its already in our country and easier for use because its easier for us to learn