In a quarter of an hour it will travel 1/4 x 90 = 22.5Km
If you, for example, poured it onto a wide cup with a volume equal to the total volume of the sand particles, the sand would not spread out to fill the container but would bunch up together in the middle.
A scientific theory states that the universe is expanding. the statement is correct about this theory is: d. it is a well supported explanation which cannot become law. a theory is very different from a law. a theory explain why something happen.
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Water, Juice, Tears, Sweat
The kinetic energy of an object depends upon its- C. speed and mass
