There is NOT a difference in speed between a car going forwards at 5 m/s and a car moving backwards at 5 m/s.
Speed is just the rate of change of the position of an object. It is calculated by dividing the change in position (distance traveled) by the time it takes to move said distance.
The distance between the two points is always positive because the direction does not matter.
However, if we are looking for the velocity, the direction DOES matter. In this example, the velocity moving forwards is 5 m/s while the velocity moving backwards is -5 m/s.
In other words:
<em>Speed </em>is looking at the <em>magnitude</em>
<em>Velocity </em>is looking at the <em>magnitude </em><em>and </em><em>direction.</em>
Population age structure is a summary of the number of individuals of each age in the population. An example is, In 2002, 30% of the worlds population was under 15 years old. <span />
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Warmth energy, likewise called warm energy, is the energy an item has in view of the development of its particles, and warmth can be moved starting with one article then onto the next article. Warmth energy on Earth comes from the sun
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More processed ingredients
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if it's fat free, you have to have a supliment for it.
They are known as polar molecules. For example, water has regions varying in electric charge. Therefore, its one end is positively charged, and another end is negatively charged.
