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Why does the world seem so much smaller in the 21st century? (Speed…
Why does the world seem so much smaller in the 21st century?
Speed
Moves faster, longer distance
Moves faster, shorter time
Meters per second - m/s
kilometers per hour - km/h
The measurement of how fast an object moves
.
Distance
The length between two different points
millimeters - mm
centimeters - cm
meters - m
kilometers - km
Distance-Time Graphs
Time
Speed-Time Graphs - tells us how the speed of an object changes over time.
Seconds - s
Minutes - min
Hours - h
Motion - The action or process of moving or being moved.
.
Acceleration
The rate of change in velocity
Metre per second squared - m/s2
A ticker timer vibrates up and down every 1/50 second. It leaves a dark mark on the paper tape. So each dot is 1/50th of a second apart.
