A cylinder with diameter 100mm and length 0.25m slides vertically down inside a hollow cylindrical tube of diameter 102mm. The space between the cylindrical body and the tube wall is filled with thick lubricating oil with a dynamic viscosity of 2.5 Ns/m2 . Calculate the terminal velocity of the cylinder if its weight is 20N.
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Arod of some material 0.20 m long elongates 0.20 mm on heating from 21 to 120°c. determine the value of the linear coefficient of thermal expansion [in (degrees c)^-1] for this material.
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The number of passengers who arrive at the platform of a subway station for the 10 am train is a random variable with a mean of 120 and a variance of 16. find the lower bound of the probability that there will be between 100 and 140 passengers (round off to second decimal place).
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A cylinder with diameter 100mm and length 0.25m slides vertically down inside a hollow cylindrical t...
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