1. A pure substance has 2. Sea water is a mixture of 3. Smog is a mixture of smoke and melting and boiling points. dissolved in water.
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Answer:
1. compound
2. smoke and fog
3.a. 0 b. 100
Speed
magnitude of velocity of motion
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The English used in this article or section may not be easy for everybody to understand. (June 2012)
For the drug, see Methamphetamine.
Speed is the distance of a moving object in a given amount of time. Speed is a measure of how fast something is moving. The average speed of an object in a certain time is the distance the object travelled divided by the time. Speed is also the distance covered by an object per unit time.
Finding speed
Units of measurement for speed
Changing speed
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Last edited 3 months ago by DannyS712
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