To measure an object's speed, you need to measure the time it takes to do a measured distance.
For instance, if a car travelled at sixty miles per hour, ignoring traffic and roadworks, etc, it would expect to cover a distance of sixty miles in that hour.
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Length is a one dimensional measurement of an object, and volume is a three-dimensional measurement of an object - its length times its height times its width.
mass
A circumerence is the measurement around the outside of an object.
For a regular object you measure the three dimensions of an object - length, width and height. After measuring each of these you then multiply them all together which leaves you with the volume of your object. Alternately, you could use a different way of calculating volume: displacement. Put x amount of water in a container with measurement markers on the sides. Then add the object. Subtract the final measurement from the original measurement and you will have the volume of the object.
The area of the object.